Flashcards · Biology · Hormones and Reproduction
Assisted Reproductive Technology (Higher tier)
-
What is ART?
Assisted reproductive technology, medical treatments to help people to become pregnant.
-
What does IVF stand for?
In vitro fertilisation.
-
What does in vitro mean?
In glass, or in a laboratory.
-
What is clomifene used for?
To help a woman who does not ovulate to release eggs.
-
How does clomifene work?
It blocks oestrogen receptors, so more FSH and LH are released.
-
What does FSH do in IVF?
Matures several eggs.
-
How are the eggs collected in IVF?
With a fine needle from the ovaries.
-
Where are the eggs fertilised in IVF?
In a dish in the laboratory.
-
What is transferred into the uterus?
One or two embryos.
-
Why might progesterone be given after the transfer?
To maintain the lining of the uterus.
-
Give an advantage of IVF.
It gives a chance of a baby to people who could not conceive.
-
Give a disadvantage of IVF.
Low success rate, cost, or the risk of multiple births.
-
Why are only one or two embryos transferred?
To reduce the risk of multiple births.
-
Who was the first IVF baby?
Louise Brown, in 1978.
-
What is the success rate for IVF in women under 35?
About 3 in 10 per cycle.
-
Common mistake about IVF?
Saying that the embryo grows outside the body. It is only kept in the dish for a few days.