Women who become pregnant with previously frozen IVF embryos tend to have healthier babies and fewer complications than those who have fresh embryos implanted, research suggests.
Fertility doctors found that mothers had a lower risk of bleeding in pregnancies with embryos that had been frozen and thawed, and went on to have fewer pre-term and low birthweight babies.
Fertility clinics in Britain usually transfer fresh embryos into women several days after they have been given hormone injections that stimulate their ovaries to release eggs. These are extracted and fertilised before being implanted. Any embryos that are not used straight away can be frozen for use months or years later. Read full article.
