Examlex
A brainstem structure located above the medulla is called the
Fetal Heartbeat
A fetal heartbeat is the heart rate of a fetus, detectable by medical equipment, often as early as 5-6 weeks of pregnancy with ultrasound.
Second Trimester
The period of pregnancy that spans from week 13 to week 26, characterized by the continued development of the fetus and noticeable anatomical changes in the mother.
Progesterone
A steroid hormone released by the ovaries, important for regulating menstruation and maintaining the early stages of pregnancy.
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