With this type of insemination, the risk of miscarriage is about 15% and the risk of extrauterine or ectopic pregnancy (embryo implanted outside the uterus) is about 1%.

There is no scientific evidence of possible secondary long term effects on the woman's health following ovulation stimulation treatments. However, there are two major short-term risks: the most common is a multiple pregnancy (15-20%); the least common is over-stimulation or ovarian hyperstimulation (1%). The controls of the number and size of the follicles and the estradiol levels during ovulation help to identify cycles with a greater risk of hyperstimulation and multiple pregnancy and which cycles should be cancelled, evaluating each case individually.

Once a pregnancy is achieved, the possible risks for the mother or foetus are the same as those occurring with a spontaneous pregnancy, except in the case of complications occurring due to a possible multiple pregnancy, such as prematurity and low birth weight.


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