The use of artificial fertility controlling hormones (B1. 2.2 Control in the human body) Flashcards

1
Q

What can be done in order to reduce fertility?

A

Using oral contraceptives that contain hormones to inhibit FSH production so that no egg mature.

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2
Q

What is the role of oestrogen and progesterone that is in oral contraceptives?

A

To inhibit egg maturation.

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3
Q

The first birth-control pills contained large amounts of oestrogen.
What is the effect of this?

A

Women suffering significant side effects.

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4
Q

What are birth-control pills now like?

A

Contain a much lower dose of oestrogen than the first birth-control pills.
Or they are progesterone only.

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5
Q

What is one advantage of using progesterone-only pills?

A

They lead to fewer side effects.

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6
Q

Which hormones does a fertility drug contain of?

What do they do?

A

FSH and LH.

They stimulate eggs to mature.

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7
Q

Women with which conditions can be given fertility drugs?

A

Women whose own level of FSH is too low to stimulate eggs to mature.

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8
Q

What is the full name of IVF?

A

In Vitro Fertilisation.

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9
Q

What does IVF involve?

A

Giving the mother FSH and LH to stimulate the maturation of several eggs.

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10
Q

What are the steps of IVF?

A
  • The eggs are collected from the mother and fertilised by sperm from the father.
  • The fertilised eggs develop into embryos.
  • At the stage when they are tiny balls of cells, one or two embryos are inserted in to the mother’s uterus. (womb)
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