PHY-C Female Hormones

Which hormone is responsible for promoting lactation?

What hormone increases the sensitivity of the uterus to contractile stimuli during parturition?

Which hormone causes the softening, thinning, and dilation of the cervix early in labor?

During pregnancy, why does lactation not occur despite high prolactin levels?

What hormone is primarily responsible for stimulating milk ejection during breastfeeding?

Which organ produces estriol during pregnancy?

What is the main role of estrogen during pregnancy?

Which hormone maintains the endometrial lining of the uterus during pregnancy?

Where is progesterone transformed from cholesterol during pregnancy?

Which enzyme converts testosterone into estradiol and androstenedione in pregnancy?

What is the main function of estriol in pregnancy?

Which hormone has the highest potency among estradiol, estrone, and estriol?

What hormone inhibits GnRH secretion, resulting in suppression of ovulation during lactation?

Which hormone stimulates the secretion of both oxytocin and prolactin during lactation?

What hormonal changes lead to the cessation of menstrual cycles in menopause?

Which hormone's secretion gradually declines and eventually ceases due to the reduction in functioning ovarian follicles?

Which hormone is associated with accelerated bone loss and decreased breast mass during menopause?

Which hormone is primarily responsible for stimulating milk production in the mammary glands postpartum?

Estrogen stimulates the contraction of the uterine muscle.

Progesterone maintains the endometrial lining of the uterus during pregnancy.

Prostaglandins are not involved in uterine function.

Hormonal changes after delivery lead to an increase in estrogen and progesterone levels.

Oxytocin's role in labor is to stimulate milk production.