So last week we talked about oestrogen, and so today, clearly I’m going to move onto the other predominant hormone in the menstrual cycle, progesterone 

So, let’s get started.

Progesterone is famous for ‘fluffing’ up the uterine lining in the second half of your menstrual cycle, which occurs after ovulation, and this phase is called the luteal phase. 

When we say fluffing up, progesterone is essentially further preparing the uterine lining to allow for implantation of a fertilised egg, whilst halting oestrogen’s effects of  cell-proliferation which thickens the uterine lining.  If the egg is fertilised, it will begin stimulating a steady blood supply to the lining to nourish the egg, via the formation of new blood vessels and additionally will trigger the release of nutrients from glands hidden in the endometrial lining (which is just another fancy word for uterine lining). It will also prevent uterine cramping so the egg can stay nice and secure and plays an absolutely essential role in maintaining the endometrial lining and pregnancy throughout. 

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 Show Notes

Progesterone menstrual cycle/imbalances:

https://www.ncbi.nlm.nih.gov/books/NBK279054/#female_the-normal-menstrual-cycle-and-the-control-of-ovulation._1

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4653859/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4436586/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5689497/

https://pubmed.ncbi.nlm.nih.gov/20595939/

https://pubmed.ncbi.nlm.nih.gov/11994369/

https://onlinelibrary.wiley.com/doi/abs/10.1111/jne.12179

Episode 169: https://www.thisendolife.com/this-endolife-podcast-episodes/symptom-management-supplements-for-the-endo-belly

Prolactin

https://academic.oup.com/mend/article/4/1/13/2713978

High progesterone

https://www.verywellhealth.com/high-progesterone-symptoms-5185751

https://helloclue.com/articles/cycle-a-z/progesterone-101

https://drbrighten.com/hormone-imbalance-symtpoms/

IUD

https://nicolejardim.com/how-does-the-mirena-iud-work-is-it-right-for-me/

Fertility Awareness Method

https://nicolejardim.com/how-to-track-your-cycle-to-know-if-when-youre-ovulating-when-your-period-will-arrive/

https://www.freebirthsociety.com/blogs/the-free-birth-podcast/fam-understanding-the-basics-of-the-fertility-awareness-method

Endo and progesterone

https://www.frontiersin.org/articles/10.3389/fnint.2020.00026/full

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5077092/

https://pubmed.ncbi.nlm.nih.gov/8671374/

Hormone testing

https://nicolejardim.com/hormone-testing-cheat-sheet/

https://nicolejardim.com/the-best-way-to-test-hormones/

https://drbrighten.com/when-is-the-best-time-to-test-hormone-levels/