Maternal perception of decreased fetal movement at term occurs in up to 15% of pregnancies and is a cause for maternal and provider concern. All maternal concerns of decreased fetal movement require an assessment of fetal wellbeing. But what about the patient with recurrent episodes of reduced fetal movements at term? Routine induction of labor is not supported solely for decreased fetal movement in a non-growth-restricted fetus, as increased intervention rates (including induction of labor and early term birth) have not demonstrated improved perinatal outcomes and may increase neonatal morbidity, such as respiratory distress and NICU admission. Some international sources (ISUOG) have recognized the cerebroplacental ratio (CPR) as a possible ultrasound tool to investigate possible early placental insufficiency before fetal growth restriction occurs. Is CPR helpful for decreased fetal movements at term? A new publication from the Lancet’s new journal- Obstetrcis, Gynecology, and Women’s Health- states that it is. Is the CPR ultrasound assessment recognized by the ACOG or SMFM? Listen in for details.

1. The cerebroplacental ratio: a useful marker but should it be a screening test? (2025): https://obgyn.onlinelibrary.wiley.com/doi/10.1002/uog.29154#:~:text=The%20ISUOG%20guidelines%20recommend%20using,after%2038%20weeks'%20gestation44.

2. Turner JM, Flenady V, Ellwood D, Coory M, Kumar S.Evaluation of Pregnancy Outcomes Among Women With Decreased Fetal Movements.JAMA logoJAMA Network Open. 2021;4(4):e215071. doi:10.1001/jamanetworkopen.2021.5071.

3. Cerebroplacental ratio-based management versus care as usual in non-small-for-gestational-age fetuses at term with maternal perceived reduced fetal movements (CEPRA): a multicentre, cluster-randomised controlled trial. https://www.sciencedirect.com/science/article/pii/S3050503825000020

4. Hofmeyr GJ, Novikova N. Management of Reported Decreased Fetal Movements for Improving Pregnancy Outcomes. The Cochrane Database of Systematic Reviews. 2012;(4):CD009148. doi:10.1002/14651858.CD009148.pub2.

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