controlling fertility

Question 1

treatments for infertility include

Answer 1

stimulating ovulation, artificial insemination, intra-cytoplasmic sperm injection ( ICSI ) and in vitro fertilisation IVF

Question 2

ovulation can be stimulated by

Answer 2

drugs that mimic action of FSH and LH

Question 3

artificial insemination

Answer 3

used to overcome low sperm count, several samples of semen are collected over period of time and sperm can be injected into uterus

Question 4

IVF

Answer 4

eggs surgically removed from ovaries after hormone stimulation, eggs mixed with sperm in dish and fertilised eggs then incubated until formed at least 8 cells then transferred to uterus for implantation

Question 5

intra-cytoplasmic sperm injection

Answer 5

can be used with low sperm count and HEAD of sperm is drawn up into needle and injected directly into egg