Repro

Question 1

what does the follicle develop into once ovulation has occurred

Answer 1

corpus luteum

Question 2

what does oestrogen do to bones and breasts

Answer 2

sustains bone density and prepares breasts for lactation

Question 3

when does implantation usually occur?

Answer 3

from day 5

Question 4

what does the granulosa cells contain

Answer 4

aromatase - fsh signals release converting andosedione to oestrogen

Question 5

what does oxytocin do

Answer 5

makes glands in the breast and uterus contract

Question 6

what does melanocyte stimulating hormone do in pregnancy?

Answer 6

darkens araeola linea alba to linea migra

Question 7

what do follicular cells develop into

Answer 7

granulosa cells (primary follicle)

Question 8

station 0 =

Answer 8

engagement

Question 9

why does the endometrium shed

Answer 9

superficial layers of endometrium die due to collapsing of arteries

Question 10

placenta produces …… which counteracts the effect of maternal insulin

Answer 10

hpl

Question 11

what triggers ovulation

Answer 11

lh and fsh surge at day 14

Question 12

stage 2 labour

Answer 12

6-10cm to birth

Question 13

stage 3 labour

Answer 13

delivery of placenta

Question 14

what do Sertoli cells do

Answer 14

secrete inhibin which decreases fsh spermatogenesis

Question 15

what happens to ligaments in pregnancy

Answer 15

they relax

Question 16

what do thecal ceslls contain

Answer 16

andostredione

Question 17

what is ovulation

Answer 17

follicle ruptures and releases oocyte

Question 18

why do you get physiological anaemia in pregnancy

Answer 18

blood volume increases via plasma so haematocrit drops

Question 19

what does the primary follicle develop into

Answer 19

Graafian follicle

Question 20

what happens to tidal volume in pregnancy

Answer 20

increases

Question 21

if there is a problem with labour think

Answer 21

passage power passenger

Question 22

describe the primordial follicle

Answer 22

each with a primary oocyte follicles surround it undergoes meioisis 1 to go from 48 to 24 chromosomes

Question 23

what happens to co2 in pregnancy

Answer 23

resp alkalosis mild

Question 24

what helps follicles develop

Answer 24

lh and fsh

Question 25

what do the ovaries produce

Answer 25

estrogen and progesterone

Question 26

what does the Graafian follicle contain?

Answer 26

granulosa and thecal cells

Question 27

if fertilisation occurs what happens to the corpus luteum

Answer 27

continues making progesterone until the placenta forms

Question 28

fsh allows granulosa cells to

Answer 28

produce oestrogen and activin

Question 29

what is the action of estrogen

Answer 29

thickens endometrium as estogen increases fsh decreases intil estrogen peaks and causes lh and fsh surge

Question 30

at what cell cycle stage does the oocyte halt at

Answer 30

metaphase of meiosis 2

Question 31

what do Leydig cells do

Answer 31

increases testosterone which decreases lh

Question 32

how does the placenta form/

Answer 32

trophoblasts invade endometrium (hcg) and become syncytiotrophoblasts (make progesterone and oestrogen)

Question 33

what happens in the first two weeks of the menstrual cycle

Answer 33

follicular phase - endometrium thickens and fh makes follicle grow

Question 34

stage 1 labour late

Answer 34

3-6cm with regular contractions

Question 35

what happens to the corpus luteum if fertilisation does not occur

Answer 35

stops secreting progesterone after 10 days and the corpus albicans formsn

Question 36

what is the last two weeks of the menstral cycle

Answer 36

luteal cycle

Question 37

what is effacement

Answer 37

cervix gets thinner

Question 38

why is there an increased risk of vte in pregnancy

Answer 38

increase in fibrinogen and decrease in anti thrombin

Question 39

what drugs help with morning sickness

Answer 39

pyridoxine (vitb6) and doxylamine succinate

Question 40

what are the contituents of milk

Answer 40

at the start of the feed there is less fat than in the end but in general it is high in fat

Question 41

what are the constituents of colostrum

Answer 41

high ab low fat acts as a laxative to aid first maeconium

Question 42

stage 1 labour early

Answer 42

0-3cm in dilation with irregular contractions

Question 43

what do the thecal and granulosa cells in the corpus luteum do?

Answer 43

thecal cells increase progesterone granulosa cells secrete inhibin which decreases oestrogn efsh and lh