n.孕酮，黄体酮

Progesterone is a hormone that plays a vital role in the menstrual cycle and pregnancy.
黄体酮是一种在月经周期和妊娠中起着至关重要的激素。
The doctor prescribed progesterone supplements to support her early pregnancy.
医生开了黄体酮补充剂来支持她的早期妊娠。
Progesterone helps thicken the uterine lining in preparation for implantation of a fertilized egg.
黄体酮有助于增厚子宫内膜，为受精卵着床做好准备。
A decline in progesterone levels can lead to menstruation and, conversely, its increase sustains pregnancy.
黄体酮水平下降可以导致月经来临，反之其增加则维持妊娠状态。
In vitro fertilization often involves the use of progesterone to support the luteal phase of the cycle.
体外受精过程中经常使用黄体酮来支持周期的黄体期。
Progesterone therapy may be used to alleviate symptoms of menopause.
黄体酮疗法可用于缓解更年期症状。
Women with PCOS often have low levels of progesterone which can affect fertility.
多囊卵巢综合症（PCOS）女性通常黄体酮水平较低，这可能影响其生育能力。
Progesterone creams are sometimes used as a natural alternative to hormone replacement therapy.
黄体酮霜有时被用作激素替代疗法的天然替代品。
Progesterone receptors are found in many tissues throughout the body, indicating its widespread influence.
在身体许多组织中都发现了黄体酮受体，表明其具有广泛的影响力。
Regular monitoring of progesterone levels is crucial for women undergoing infertility treatment.
对于接受不孕不育治疗的女性来说，定期监测黄体酮水平至关重要。