Before Parturition

question 157

Multiple Choice

Before parturition,

• A) the placenta secretes increased amounts of oxytocin.
• B) the uterus stretches, causing the release of ACTH from the adenohypophysis.
• C) there is an increase in the stimulatory effects of progesterone on the uterine muscle.
• D) prostaglandin synthesis is inhibited.
• E) fetal glucocorticoids decrease the production of progesterone by the placenta.

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Definitions:

Preterm Births

The birth of a baby at fewer than 37 weeks of gestational age, which can lead to several health issues for the newborn.

Gestation

The period of development of the fetus in the womb, from conception to birth.

Weeks

Units of time, each consisting of seven days.

Chorionic Villus Sampling

A prenatal test involving the sampling of tiny placental tissue (chorionic villi) to test for chromosomal abnormalities in the fetus.