本题目来源于试卷: SL/HL Topic D3.1 Reproduction，类别为 IB生物学
[问答题]
10. Discuss the roleg: pyt0j*s(-ej z1f rzs of progesterone;u zz2vigjb84l+ fc ,r and oxytocin during pregnancy and childbirth.4virl2 bg jf;+ 8uczz,
参考答案: Progesterone maintains the uterine lining during pregnancy.
Progesterone inhibits FSH/suspends ovarian cycle.
Progesterone inhibits oxytocin/inhibits uterine contractions.
Near childbirth, progesterone levels drop.
Oxytocin release increases.
Oxytocin promotes uterine contractions for childbirth.
(and through more contractions) Oxytocin release causes more release of oxytocin/positive feedback.
本题详细解析:
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