Life Goes On

Question 1

What is the role of oestrogen?

Answer 1

It causes the repair of the uterus wall

Question 2

What is the role of progesterone?

Answer 2

It maintains the uterus wall

Question 3

Which hormone causes the egg to develop in the ovary?

Answer 3

FSH- follicle stimulating hormone

Question 4

Which hormone produced by the pituitary gland controls ovulation?

Answer 4

LH- luteinising hormone

Question 5

Name the two hormones whose level drop before menstruation.

Answer 5

Progesterone and oestrogen

Question 6

Name 3 types of infertility treatments

Answer 6

Artificial insemination, use of FSH, IVF, egg donation, surrogacy, ovary transplants

Question 7

Describe how IVF treatment works

Answer 7

Eggs and sperm are collected and mixed together in the laboratory, this is where fertilisation occurs. The embryo is then transplanted into the woman’s uterus.

Question 8

Why is ultrasound used in pregnancy?

Answer 8

It can be used to see if there are multiple pregnancies (i.e. twins/triplets), look for developmental defects and to determine the babies sex.

Question 9

Describe how the amniocentesis test is done

Answer 9

A needle is inserted into the fluid around the baby (amniotic fluid); this fluid contains some cells which can be checked for chromosome abnormalities.

Question 10

Why do some couples refuse the amniocentesis test?

Answer 10

If a defect such as Downs’s syndrome is detected, it gives the couple the option of a termination. Some couples decide that they would not opt for a termination so decide against the test.

Question 11

LH production is controlled by oestrogen levels in the blood, what type of mechanism is this?

Answer 11

Negative feedback loop