Hormones in reproduction

Question 1

What is the job of FSH?

Answer 1

The job of FSH is to make egg cells mature.

Question 2

When does FSH peak in the menstrual cycle?

Answer 2

It peaks in the start of the luteal phase (Day 14). It only slightly peaks above it’s normal levels

Question 3

What is the job of LH?

Answer 3

The job of LH is to release the egg.

Question 4

When does LH peak in the menstrual cycle?

Answer 4

LH peaks on the start of the luteal phase(Day 14). It is only active for a short period of time.

Question 5

What does oestrogen do in the menstrual cycle?

Answer 5

Oestrogen builds up until day 14( when it stimulates LH)and then drops, gradually increases a bit and then gradually decreases.

Question 6

What does progesterone do in the menstrual cycle?

Answer 6

Progesterone builds up slowly from around day 16. It builds up the lining of the uterus.

Question 7

What happens if there is no embryo planted in the uterus?

Answer 7

The levels of progesterone will decrease and the lining of the uterus will break down.