a) women whose fallopian tubes are blocked, damaged or absent
b) men whose sperm is moderately abnormal (count and/or motility)
c) couples in which previous IUI treatment cycles have failed
d) couples who are known to be at risk of genetic disease or who have already had a child with a serious genetic disease and require preimplantation genetic diagnosis (PGD)
e) women with a history of severe pelvic endometriosis with altered pelvic anatomy because of scarring and adhesions
f) women who have hormone imbalance and require high doses of fertility drugs
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