Taco Bout Fertility Tuesday

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What does it mean when your hCG is above the “discriminatory zone,” but a transvaginal ultrasound still shows an empty uterus? It raises concern—but it does not automatically diagnose an ectopic pregnancy or miscarriage.

In this episode of Taco Bout Fertility Tuesday, Dr. Mark Amols explains what the discriminatory level can—and cannot—tell us about an early pregnancy. He explores how this decades-old threshold became part of medical practice, why it represents a probability rather than a biological boundary, and how viable pregnancies can occasionally remain invisible even when hCG has crossed the expected level.

You’ll learn:

• The usual ultrasound sequence from gestational sac to cardiac activity
• What “pregnancy of unknown location” actually means
• Why PUL is not the same as an ectopic pregnancy
• Why one hCG result should not automatically trigger methotrexate
• The difference between a probable gestational sac and intracavitary fluid
• How IVF dating, multiple gestations, symptoms, and follow-up change the interpretation

The key lesson: hCG provides a biochemical signal, while ultrasound provides anatomy. Neither one, by itself, tells the entire story.

Severe abdominal or pelvic pain, shoulder pain, dizziness, fainting, weakness, or heavy bleeding requires urgent medical evaluation. This episode is educational and is not a substitute for individualized medical care.

Thanks for listening to another episode of Taco Bout Fertility Tuesday with Dr. Mark Amols.

If you found this episode helpful, please share it with someone who might benefit—and don't forget to follow the show and leave us a review on Apple Podcasts, Spotify, or wherever you listen.

Want to explore more fertility topics? Visit TacoBoutFertility.com, where you can search our entire episode library, find episodes about the questions that matter to you, try our interactive fertility tools, and submit questions or topic requests for future episodes.

Join us next Tuesday for another episode of Taco Bout Fertility Tuesday, where we make fertility medicine easier to understand—one topic at a time.

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Your first beta hCG is 100. Two days later, it rises to 150—but it didn’t double. Does that mean miscarriage? Could it be ectopic? Or could the pregnancy still be progressing normally?

Before Google diagnoses you with three different pregnancy complications, take a breath.

In this episode of Taco Bout Fertility Tuesday, Dr. Mark Amols explains why the familiar rule that hCG must double every 48 hours is outdated—and how that rule grew from a 1981 study involving only 20 patients.

You’ll learn:

• What hCG does during early pregnancy and which cells produce it
• Why we call the test “beta hCG”
• Where the 48-hour and 66% rise rules originated
• How the expected rise changes based on the starting hCG level
• Why IVF pregnancies may occasionally progress with much slower rises
• Why a slow rise does not diagnose miscarriage or ectopic pregnancy
• Why even a perfect rise cannot confirm that the pregnancy is inside the uterus
• Which symptoms require urgent medical evaluation regardless of the latest beta

The bottom line: hCG is useful, but it is not a pregnancy report card, a crystal ball, or a GPS. It provides one piece of the story—followed by another beta, careful symptom monitoring, and eventually an ultrasound.

If you have severe or worsening abdominal or pelvic pain, shoulder pain, dizziness, fainting, weakness, or heavy bleeding, seek urgent medical evaluation. Do not wait for your next scheduled blood test.

Next week, we’ll continue the conversation by discussing pregnancy of unknown location, the hCG discriminatory level, and how clinicians evaluate the possibility of an ectopic pregnancy.

Thanks for listening to another episode of Taco Bout Fertility Tuesday with Dr. Mark Amols.

If you found this episode helpful, please share it with someone who might benefit—and don't forget to follow the show and leave us a review on Apple Podcasts, Spotify, or wherever you listen.

Want to explore more fertility topics? Visit TacoBoutFertility.com, where you can search our entire episode library, find episodes about the questions that matter to you, try our interactive fertility tools, and submit questions or topic requests for future episodes.

Join us next Tuesday for another episode of Taco Bout Fertility Tuesday, where we make fertility medicine easier to understand—one topic at a time.

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Infertility can lead to a painful question that many people are afraid to say aloud: Is God punishing me?

In this deeply personal episode of Taco Bout Fertility Tuesday, Dr. Mark Amols explores why infertility can feel like spiritual rejection. When children are described as blessings, pregnancy comes easily to others, and treatment repeatedly fails, it can be tempting to believe that God is angry—or that something from your past made you undeserving of becoming a parent.

But does the Bible actually support that conclusion?

Drawing from the stories of Hannah, Zechariah and Elizabeth, the teachings of Jesus, and several key passages of Scripture, Dr. Amols examines the difference between feeling punished and having evidence that punishment is occurring. He also discusses how religious comments, self-blame, and the need to find an explanation can add spiritual shame to an already painful medical diagnosis.

Infertility is not a spiritual report card. A failed treatment is not proof that you prayed incorrectly, lacked faith, or were found unworthy.

Your empty arms are not proof of God’s anger, and your unanswered prayers are not proof that He has forgotten you.

Thanks for listening to another episode of Taco Bout Fertility Tuesday with Dr. Mark Amols.

If you found this episode helpful, please share it with someone who might benefit—and don't forget to follow the show and leave us a review on Apple Podcasts, Spotify, or wherever you listen.

Want to explore more fertility topics? Visit TacoBoutFertility.com, where you can search our entire episode library, find episodes about the questions that matter to you, try our interactive fertility tools, and submit questions or topic requests for future episodes.

Join us next Tuesday for another episode of Taco Bout Fertility Tuesday, where we make fertility medicine easier to understand—one topic at a time.

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After a disappointing IVF retrieval, it is tempting to change everything. But does a new protocol actually explain a better next cycle—or is biology doing some of the talking?

In this episode, Dr. Mark Amols explains why IVF protocols absolutely matter, but why there is no single “perfect” protocol that can guarantee a certain number of eggs or mature eggs. Using the analogy of an Olympic runner and the right running shoes, he breaks down the physician’s role: optimize the medication plan, timing, trigger, and safety—without pretending we can fully control ovarian biology.

Dr. Amols reviews a 2026 Fertility and Sterility study of 801 consecutive IVF cycle pairs showing substantial cycle-to-cycle variation even when patients used the same stimulation protocol and dose. He also discusses why mature eggs matter more than total egg count, when a protocol change is purposeful, and why retrieval and lab workflow can influence the final egg number too.

If your last IVF cycle did not go as hoped, this episode will help you ask the better question: not “What can we change?” but “What did we learn, and what are we trying to improve?”

Referenced studies: Hochberg et al., Fertility and Sterility (2026); Mutlu et al., Nature Medicine (2026).

Thanks for listening to another episode of Taco Bout Fertility Tuesday with Dr. Mark Amols.

If you found this episode helpful, please share it with someone who might benefit—and don't forget to follow the show and leave us a review on Apple Podcasts, Spotify, or wherever you listen.

Want to explore more fertility topics? Visit TacoBoutFertility.com, where you can search our entire episode library, find episodes about the questions that matter to you, try our interactive fertility tools, and submit questions or topic requests for future episodes.

Join us next Tuesday for another episode of Taco Bout Fertility Tuesday, where we make fertility medicine easier to understand—one topic at a time.

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Can you actually get pregnant at 50? The headlines never tell you the number that matters most: how old was the egg?

In this episode of Taco Bout Fertility Tuesday, Dr. Mark Amols breaks down what is really behind those “pregnant at 50” headlines — and why the same story can mean completely different biology depending on the details nobody reports.

In this episode:

🌮 Why there are four biological clocks, not one — egg, uterus, sperm, and parenting
🌮 Real IVF success rates by age, from under 35 through over 42
🌮 How many IVF cycles it may take to reach a high chance of live birth — and why that number is math, not a treatment plan
🌮 The year-by-year live birth data from age 43 to 50+, and why the curve plateaus near the floor in the late 40s
🌮 Why euploid embryos change the odds — but do not erase age completely
🌮 What donor eggs can and cannot fix: they reset the egg clock, not the pregnancy clock
🌮 What we know, and do not fully know, about pregnancy risks after 45 and 50
🌮 Why sperm age matters too, and what advanced paternal age has been linked to
🌮 The uncomfortable conversation about the “parenting clock” that no one wants to have

00:00 Introduction — the headline vs. the real number
02:23 The four biological clocks
04:00 IVF success with your own eggs, by age
06:09 How many cycles to reach an 85% cumulative chance
08:44 Year-by-year data: age 43 through 50+
12:59 Pregnancy vs. live birth — why miscarriage risk rises
14:38 Euploid embryos and what PGT-A does, and does not, fix
17:52 The blastocyst math — why “8 eggs” is not what it sounds like
20:23 Donor eggs: what they reset, and what they do not
21:49 Pregnancy risks after 45 and 50
23:09 Sperm age and paternal risk
23:40 The parenting clock
24:46 Key takeaways
26:44 Closing

If you found this episode helpful, share it with someone who needs the real numbers behind later-age pregnancy headlines. Subscribe so you do not miss next week’s episode, and drop your questions in the comments — Dr. Amols reads them all.

Thanks for listening to another episode of Taco Bout Fertility Tuesday with Dr. Mark Amols.

If you found this episode helpful, please share it with someone who might benefit—and don't forget to follow the show and leave us a review on Apple Podcasts, Spotify, or wherever you listen.

Want to explore more fertility topics? Visit TacoBoutFertility.com, where you can search our entire episode library, find episodes about the questions that matter to you, try our interactive fertility tools, and submit questions or topic requests for future episodes.

Join us next Tuesday for another episode of Taco Bout Fertility Tuesday, where we make fertility medicine easier to understand—one topic at a time.

Send us Fan Mail

Most people think of the menstrual cycle as bleeding, cramps, cycle day one, or an app prediction. But the period is really the final report — not the main event.

In this episode of Taco Bout Fertility Tuesday, Dr. Mark Amols explains the menstrual cycle from the ovary’s point of view. Learn how the brain, ovary, and uterus communicate each month, why one follicle becomes dominant, why IVF does not “use up” future eggs, and why so many common menstrual-cycle myths fall apart once you understand the science.

We cover myths like whether ovaries take turns, whether one ovary means ovulating every other month, whether bleeding always means ovulation, whether cycle apps really know when you ovulate, and whether everyone needs to wait three months after a miscarriage before trying again.

The menstrual cycle is not a calendar, an app prediction, or a right-left ovary schedule. It is a hormone conversation between the brain, ovary, and uterus.

Thanks for listening to another episode of Taco Bout Fertility Tuesday with Dr. Mark Amols.

If you found this episode helpful, please share it with someone who might benefit—and don't forget to follow the show and leave us a review on Apple Podcasts, Spotify, or wherever you listen.

Want to explore more fertility topics? Visit TacoBoutFertility.com, where you can search our entire episode library, find episodes about the questions that matter to you, try our interactive fertility tools, and submit questions or topic requests for future episodes.

Join us next Tuesday for another episode of Taco Bout Fertility Tuesday, where we make fertility medicine easier to understand—one topic at a time.

Send us Fan Mail

Progesterone-in-oil shots, also known as PIO shots, are one of the most feared and hated parts of IVF. They are uncomfortable, intimidating, and often leave patients wondering: “Do I really need this, or is my fertility doctor just being cruel?”

In this episode of Taco Bout Fertility Tuesday, Dr. Mark Amols explains why progesterone matters for implantation, how estrogen and progesterone work together to prepare the uterine lining, and why the type of embryo transfer cycle changes everything.

The key question is not simply whether progesterone shots are better than vaginal progesterone. The real question is whether your body is making progesterone on its own.

Dr. Amols breaks down the difference between ovulatory or modified natural frozen embryo transfers and programmed frozen embryo transfers. In an ovulatory cycle, the body forms a corpus luteum and produces progesterone naturally. In a programmed cycle, there is no ovulation, no corpus luteum, and therefore no natural progesterone production — meaning all progesterone support must come from medication.

This episode also reviews the research comparing daily progesterone-in-oil shots, vaginal progesterone alone, and combination protocols using vaginal progesterone plus intermittent PIO injections. The data shows why vaginal progesterone alone may not be enough in programmed frozen embryo transfer cycles and why many clinics still rely on PIO for reliable progesterone support.

Dr. Amols also discusses progesterone blood levels, why levels can be hard to interpret with vaginal progesterone, why clinics may differ in their protocols, and how some patients may be candidates for fewer injections or modified natural cycles.

If you are preparing for an embryo transfer, taking progesterone, or wondering why your clinic recommends PIO shots, this episode will help you understand the science behind the shot — and hopefully hate your doctor a little less.

The bottom line: fertility doctors are not sadists. Progesterone-in-oil may be a literal pain in the butt, but in some embryo transfer cycles, it has an important purpose.

Thanks for listening to another episode of Taco Bout Fertility Tuesday with Dr. Mark Amols.

If you found this episode helpful, please share it with someone who might benefit—and don't forget to follow the show and leave us a review on Apple Podcasts, Spotify, or wherever you listen.

Want to explore more fertility topics? Visit TacoBoutFertility.com, where you can search our entire episode library, find episodes about the questions that matter to you, try our interactive fertility tools, and submit questions or topic requests for future episodes.

Join us next Tuesday for another episode of Taco Bout Fertility Tuesday, where we make fertility medicine easier to understand—one topic at a time.

Send us Fan Mail

Can your embryo fall out after an embryo transfer? Do you really need bed rest after IVF? Can walking, peeing, coughing, laughing, going up stairs, having stress, or riding home in the car ruin your chances?

In this episode of Taco Bout Fertility Tuesday, Dr. Mark Amols breaks down one of the most common fears patients have after embryo transfer: whether one wrong move can prevent implantation.

We discuss where the bed rest myth came from, why the uterus is not an open space where an embryo can simply “fall out,” and what the evidence actually says about bed rest after embryo transfer. Dr. Amols also explains why normal movement is okay, why peeing after transfer is not a problem, and why patients should not spend the two-week wait blaming themselves for every sneeze, step, or bump in the car.

This episode also covers the difference between fresh and frozen embryo transfers, why activity restrictions after a fresh transfer may be more about enlarged ovaries than the embryo itself, whether retroverted uteruses change the equation, and why clinic instructions can vary.

And yes, we also talk about McDonald’s French fries after embryo transfer — because no IVF superstition is safe on this podcast.

If you are preparing for an embryo transfer, recovering from one, or stuck in the two-week wait replaying everything you did, this episode will help separate fear from fact.

In this episode, we cover:

•  Can an embryo fall out after embryo transfer? 
•  Does bed rest improve IVF success? 
•  Is it okay to pee after embryo transfer? 
•  Can walking, coughing, sneezing, laughing, or stairs hurt implantation? 
•  Fresh vs frozen embryo transfer activity restrictions 
•  Retroverted uterus and embryo transfer positioning 
•  Sex after embryo transfer 
•  Stress during the two-week wait 
•  McDonald’s French fries and IVF superstitions 
•  Why patients should stop blaming themselves after transfer 

The takeaway: after embryo transfer, take care of yourself — but you do not need to treat yourself like a porcelain doll. Rest if you want to rest, not because your embryo needs you perfectly still.

Thanks for listening to another episode of Taco Bout Fertility Tuesday with Dr. Mark Amols.

If you found this episode helpful, please share it with someone who might benefit—and don't forget to follow the show and leave us a review on Apple Podcasts, Spotify, or wherever you listen.

Want to explore more fertility topics? Visit TacoBoutFertility.com, where you can search our entire episode library, find episodes about the questions that matter to you, try our interactive fertility tools, and submit questions or topic requests for future episodes.

Join us next Tuesday for another episode of Taco Bout Fertility Tuesday, where we make fertility medicine easier to understand—one topic at a time.

Send us Fan Mail

Fertility advice can be wrong even when the person giving it meant well. In this episode of Taco Bout Fertility Tuesday, Dr. Mark Amols explores how reassurance, incomplete evaluations, and well-intentioned attempts to “save money” can sometimes delay the fertility care patients actually need.

This episode looks at the emotional stress patients feel when they realize they may have lost time, the difference between bad intentions and bad outcomes, and why advice like “just keep trying,” “your labs are normal,” or “at least you can get pregnant” can sometimes miss the bigger picture.

Dr. Amols also discusses when OB/GYNs can appropriately help with fertility concerns, when referral to a fertility specialist matters, and why good advice should include a reason, a timeline, a next step, and a point where the plan changes.

Thanks for listening to another episode of Taco Bout Fertility Tuesday with Dr. Mark Amols.

If you found this episode helpful, please share it with someone who might benefit—and don't forget to follow the show and leave us a review on Apple Podcasts, Spotify, or wherever you listen.

Want to explore more fertility topics? Visit TacoBoutFertility.com, where you can search our entire episode library, find episodes about the questions that matter to you, try our interactive fertility tools, and submit questions or topic requests for future episodes.

Join us next Tuesday for another episode of Taco Bout Fertility Tuesday, where we make fertility medicine easier to understand—one topic at a time.

Send us Fan Mail

A semen analysis is one of the most important fertility tests, but for many patients, it is also one of the most awkward. In this episode, Dr. Mark Amols walks through what to expect at a semen analysis appointment, how to prepare, what happens during collection, and why this test gives fertility clinics such valuable information.

In this episode of Taco Bout Fertility Tuesday, Dr. Amols explains why semen analysis is not a masculinity test, but simply a lab test that helps guide fertility treatment. He covers abstinence timing, at-home versus in-office collection, what to do if part of the sample is missed, why timing matters, and what the lab is looking for when evaluating sperm count, motility, morphology, volume, and total motile sperm count.

He also discusses why one abnormal semen analysis does not automatically mean infertility, when repeat testing may be needed, how testosterone can affect sperm production, and what the next steps may be if the results are abnormal.

Whether you are preparing for your first semen analysis or supporting a partner through fertility testing, this episode helps make the process less intimidating, less confusing, and maybe just a little less awkward.

Thanks for listening to another episode of Taco Bout Fertility Tuesday with Dr. Mark Amols.

If you found this episode helpful, please share it with someone who might benefit—and don't forget to follow the show and leave us a review on Apple Podcasts, Spotify, or wherever you listen.

Want to explore more fertility topics? Visit TacoBoutFertility.com, where you can search our entire episode library, find episodes about the questions that matter to you, try our interactive fertility tools, and submit questions or topic requests for future episodes.

Join us next Tuesday for another episode of Taco Bout Fertility Tuesday, where we make fertility medicine easier to understand—one topic at a time.