menstrual cycle Flashcards
(6 cards)
1
Q
what does oestrogen do
A
thickens uterus lining for implantation
2
Q
what does progesterone do
A
maintains the uterus lining during the second half of the menstrual cycle.
inhibits the release of FSH and LH to prevent ovulation
3
Q
adaptations of placenta for effeicient exchange of susbstanfes between fetus and mother
A
villi : High SA
capillaries: remove waste products/ blood brings nutrients
capillaries maintain diffusion gradient
close distance between mother and fetal blood for short diffusion distance
4
Q
how many days is a full cycle
A
28
5
Q
what day is ovulation
A
14
6
Q
when start bleeding
A
day 0
