of three for women aged 40 or over who are using their own eggs (if you are using donated eggs, the maximum is two). Multiple births carry risks to both the health of the mother and to the health of the unborn babies. The babies are more likely to be premature and to have a below-normal birth weight. Studies show that the risk of death before birth, or within the first week of life, is more than four times greater for twins than for a single baby (sometimes called a ‘singleton’.). For triplets, the risk is seven times greater than for a single baby.  The risk of cerebral palsy is five times higher for twins and 18 times higher for triplets than for a single baby. Your clinic should discuss these risks with you when deciding how many embryos to transfer in your treatment.

Ectopic pregnancy

This is when an embryo develops in your fallopian tube rather than in the womb, and can happen in a natural pregnancy or when you have become pregnant through fertility treatment. The chances of having an ectopic pregnancy seem to be slightly higher in women having fertility treatment, especially if you have existing problems that affect your fallopian tubes. Symptoms include vaginal bleeding and low pregnancy hormone levels. If the pregnancy continues, there is a risk of miscarriage and the fallopian tube bursting. Report any vaginal bleeding or stomach pain to your clinic. They can do a blood test to check your hormone levels. You should have a scan at six weeks to check for the baby’s heartbeat and to make sure it is growing properly in the womb.
(published with permission in writing from:http://www.hfea.gov.uk)




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