Repro 7 Flashcards
What secretes human chorionic gonadotropin (hCG)?
chorionic villi
human chorionic gonadotropin
stimulates testosterone production in developing testes in male fetuses
-a hormone detected by pregnancy tests
After 7 weeks of development, th e _____ takes over hormone production instead of embryo.
placenta
progesterone and estrogen effects
- negative feedback to hypothalamus prevent follicle development
- estrogen develop milk secreting ducts
- progesterone maintain endometrium and suppress contractions
- corpus luteum degenerates
human placental lactose (hPL)
- similar to growth hormone
- alters mother’s glucose and fatty acid metabolism to support fetal growth
labor
rhythmic contractions of the uterus
REVIEW
PARTURITION POSITIVE FEEDBACK LOOP ☠️
mammary glands
secrete milk during lactation
Mammary glands further develop during pregnancy due to..
estrogen, growth hormone, and cortisol
In final development, progesterone converts duct epithelium into a..?
secretory structure
prolactin
controls milk secretion
T/F; progesterone and estrogen inhibit milk production
TRUUUU
oxytocin and lactation
causes smooth muscle contraction to eject milk
What happens in menopause?
- approximately 40 years after first menstrual cycle
- run out of follicles
- ovaries no longer respond to gonadotropins
perimenopause
years leading up to menopause where person experiences irregular cycle, missed periods..