In vitro fertilisation is preferable to fertility drugs

Authors of a new study into high order multiple pregnancies have recommended that doctors treating infertility due to failure to ovulate in future rely exclusively on in vitro fertilisation (N Engl J Med 2000;343:2-7).

They argue that because inducing ovulation to treat infertility carries a considerable risk of producing unwanted multiple births, and giving lower doses of the ovary stimulating drugs decreases the chance of producing a baby, …