Fertility

Question 1

Fsh function

Answer 1

Triggers egg to be released in an ovary

Question 2

Lh function

Answer 2

Triggers mature egg to be released
(Ovulation)

Question 3

What’s IVF

Answer 3

• fertilisation outside of body
• mum treated with fsh and lh
• eggs mature
• eggs collected and fertilised by sperm in lab
• embryo injected into uterus

Question 4

Problems with IVF

Answer 4

• low success rates
• emotionally stressful for parents
• physically demanding of mum
• expensive
• some embryos destroyed= ethical issues

Question 5

Describe the fertility drug

Answer 5

• mixture of FSH and LH
• causes woman to ovulate more than usual
  = increases chances of getting pregnant through sexual intercourse

Question 6

Why some women can’t have children

Answer 6

• low Fsh
• poor egg quality
• low sperm count

Question 7

Oestrogen function

Answer 7

• causes repair of uterus wall
• acts as negative feedback mechanism to control FSH production
• stimulates LH from pituitary gland
  = more LH, more ovulation

Question 8

Progesterone function

Answer 8

• maintains uterus wall
• acts as negative feedback mechanism on FSH production