Biology of Controlling Fertility

Question 1

What is the difference between male and female when it comes to being fertile?

Answer 1

Men are continuously fertile, but females are only fertile 1-2 days per month

Question 2

How can you calculate a females fertile period?

Answer 2

Through an increase in temperature or the thinning of the cervical mucus

Question 3

What is Stimulating Ovulation?

Answer 3

Drugs that prevent negative feedback of oestrogen on FSH or mimic FSH and LH. Which can lead to super ovulation

Question 4

What is Artificial Insemination??

Answer 4

This is where samples of sperm from the male are collected over a period of time and inserted into the female reproductive tract

Question 5

What is ICSI?

Answer 5

This is where the head of the sperm is drawn into a needle and directly injected into the egg

Question 6

What is IVF?

Answer 6

This is where the eggs are removed (after hormone stimulation) and mixed with sperm. The zygotes are then incubated until 8 cells and then implanted into the uterus

Question 7

What happens during IVF?

Answer 7

PGD is used to identify single gene disorders and chromosomal disorders

Question 8

What are the two categories of contraception?

Answer 8

Physical and Chemical

Question 9

What are Barrier Methods?

Answer 9

Barrier methods are physical things put in place to stop the sperm from reaching the egg

Question 10

What is IUD?

Answer 10

A T-shaped device that is inserted through the cervix into the uterus. What this does is change the lining of the uterus and oviduct, affecting the movement of the eggs and sperm.

Question 11

What is Sterilisaton?

Answer 11

This is different in males and females: Males get a Vestectomy and females get a Hysterectomy

Question 12

What is the Combind Pill?

Answer 12

A pill containing a combination of synthetic progesterone and oestrogen. These mimic negative feedback preventing the realise of FSH and LH from the pituitary gland

Question 13

What is the Mini Pill?

Answer 13

This pill contains a high dose of progesterone only. The high levels of progesterone thicken the cervical mucus, which means the sperm can’t get easy access to the ova

Question 14

What is the Morning After Pill?

Answer 14

This pill is used for emergency only and contains a high dose of progesterone preventing ovulation or implantation if ovulation has already happened

Question 15

What is Natural Contraception?

Answer 15

This is where woman can use temperature and cervical mucus to calculate their fertile period. They do this to avoid having intercourse when the woman is most fertile. This method is very unreliable

Question 16

What is the point of contraception?

Answer 16

To prevent pregnancy