Quesmed B11- pregnancy physiology Flashcards
How do RBCs change in pregnancy?
Increased production of EPO and RBCs will have a shorter lifespan from 120 days to 90 days, which makes determining gestational diabetes in late pregnancy difficult.
Which cells produce oestrogen?
Granulosa cells
Which cells produce progesterone?
Theca cells and corpus luteum
What are the structural changes that occur prior to menstruation in the uterus?
The spiral arteries constrict in response to falling progesterone. This causes ischaemia within the stratum functionalis of the endometrium. It becomes necrotic and the tissue is shed through the vagina
How much does cardiac output increase?
30-50%
Which hormone responsible for maintaining sufficient uterine blood flow?
Oestrogen
What is the adult remnant of the umbilical cord?
Median umbilicus ligament/ Urachus
What reduces milk production?
Oral contraceptives
What vitamins should breastfeeding women take?
Calcium and phosphate
How does a pituitary adenoma affect sight?
Bitemporal hemianopia
How long are prolactin levels high after birth?
3-6 weeks
What is the role of inhibin?
Increases FSH feedback
Which hormone increases during menopause?
FSH
