Female hormones Flashcards
Where is oestrogen supplied from during pregnancy?
First two months= Corpus luteum
After that= Placenta
What hormone regulates the levels of progesterone?
Oestrogen
What hormone prepares the uterus for baby by stimulating growth of uterine mass?
Oestrogen
What hormone helps to prepare the breasts for lactation?
Oestrogen and prolactin
What hormone induces synthesis of receptors for oxytocin?
Oestrogen
What hormone prevents miscarriage by inhibiting uterine contractility and building up endometrium for support of placenta?
Progesterone
Where is progesterone supplied during pregnancy?
First two months= Corpus luteum
After that= Placenta
What hormone stimulates oestrogen/ progesterone production by the ovary?
Human chorionic gonadotropin
Which hormone is used on pregnancy tests?
Human chorionic hormone
Why do levels of hCG decrease after 2-3 months?
The placenta is mature enough to take over oestrogen/progesterone production, so hCG is no longer needed
Where is prolactin produced during pregnancy?
Anterior pituitary
Where is relaxin produced during pregancy?
Ovary and placenta
Where is oxytocin produced during pregnancy?
Hypothalamus- released by posterior pituitary
What hormone increases cells that produce milk?
Prolactin
What hormone unreliably prevents ovulation during pregnancy?
Prolactin
