Biology 5.3.3

Question 1

When does Infertility Occur?

Answer 1

When the Couple find it Difficult to, or are Unable to, Conceive Naturally.

Question 2

What can Infertility be a Result of? (2)

Answer 2

-Insufficient Levels of Reproductive Hormones.

-Issues with the Female Reproductive System.

Question 3

What are the Common Treatments for Infertility? (2)

Answer 3

-Hormone Pills.

-IVF Treatment.

Question 4

What is ‘IVF Treatment’?

Answer 4

Eggs are Fertilised by Sperm Outside of the Body.

Question 5

Explain the Process of IVF Treatment: (4)

Answer 5

-Giving Mother FSH & LH to Stimulate the Maturation of Several Eggs.

-The Eggs are Collected from the Mother, & Fertilised by Sperm from the Father in the Laboratory.

-The Fertilised Eggs Develop into Embryos.

-At the Stage when they are tiny balls of Cells, one or two Embryos are Inserted into the Mother’s Uterus (Womb).

Question 6

What are Potential Issues with Fertility Treatments? (5)

Answer 6

-Because several Embryos are Implanted, the Risk of Multiple Births is high, so higher Risk of Miscarriages/ Stillbirths.

-Success Rate is quite Low, though Improving Slowly.

-Some Women use IVF to get Pregnant at a Later Age than they would be able to Conceive Naturally.

-Ethical Issues with IVF Embryos.

-Genetic Testing is not Allowed.