Fertility and Contraception

Question 1

What are the two ways to control infertility

Answer 1

Clomifene therapy and IVF

Question 2

how clomifene therapy allow a woman to reproduce

Answer 2

woman who don’t ovulate can take a drug called clomifene which increases the production of FSH and LH which stimulate egg maturation and ovulation ( releasing of egg) so a couple can improve the chances of pregnancy by knowing when woman iv ovulating

Question 3

How does IVF allow fertility

Answer 3

collecting eggs from woman’s ovaries and fertilising them in a lab with males healthy sperm cells which are grown into embryos and places into woman’s uterus ( can be one or two) which improve chances of pregnancy

Question 4

what hormones are given to woman before IVF

Answer 4

FSH and LH to stimulate egg production

Question 5

tell me two risks of IVF

Answer 5

low success rate
risk of multiple births as more embryos implanted so risk of miss-carriage
more embryos used than needed so destroy life

Question 6

explain how a hormones can be used as contraceptives using a example

Answer 6

oestrogen can be used to prevent the release of egg as using it everyday keeps levels permanently high so inhibits the production of FSH therefore after a while egg production and development will stop

Question 7

how can progesterone be used to reduce fertility

Answer 7

stimulates the production thick cervical mucus which prevents sperm getting to the uterus and fertilisation the egg

Question 8

how do contraceptive pills work

Answer 8

they are a mixture of progesterone and oestrogen or only progesterone and maintain the uterus lining so development of another egg is prevented

Question 9

tell me barrier contraceptive methods

Answer 9

condoms and diaphrams

Question 10

tell me one advantage and one disadvantage of hormonal methods

Answer 10

more effective and bad side effect and don’t protect against STI’s