Card Set Information
Reproductive Endocrinology Adult Female
Which hormone is dominant in which menstrual phase?
Follicular - estrogen
Luteal - progesterone
What stimulates granulosa cell proliferation?
What triggers the positive feedback of estrogen?
The profile of increasing blood estrogen during the follicular phase
What transports steroid hormones in blood?
sex hormone binding globulin
cortisol binding globulin
Functions of the cervix
Raptid transport of sperm
Colonization of sperm in cervical crypts, slow release
Describe Sprem capacitation
Acrosome reaction - sperm interacts with zona pellucida and digests way to oocyte
What are the cell types of the blastocyst?
Inner cell mass - fetus
What are the roles of HCG?
Maintaining the corpus luteum progesterone secretion
Stimulating testosterone secretion by the fetal testis
Its presence is the earliest definitive sign of pregnancy
What are the roles of Human Placental Lactogen?
Mobilization of maternal fat stores
Peripheral insulin resistance in the mother (gestational hyperglycemia)
Promotes breast development
What are the roles of Progesterone in pregnancy?
Inhibits the hypothalamus from initiating another menstrual cycle
Maintains vascular bed
Inhibits uterine smooth muscles despite their stimulation by estrogen
What are the roles of Estrogen in pregnancy?
Development and growth of uterus
Promote breast development
Soften elastic tissues
Stimulates clotting factor production
What are the major effects of labor?
Sustained high estrogen levels
Increased oxytocin receptors
Relaxin and oxytocin secretion