assisted hatching may improve chance of pregnancy

Assisted Hatching may improve chances of pregnancy

Cindy Farquhar

Assisted hatching is a technique sometimes used for in vitro fertilisation (IVF) and similar procedures. It involves thinning the coat surrounding a fertilised egg, or making a hole in it. This may improve the chances of the embryo attaching to the womb so that pregnancy can begin. The review of trials found some evidence that assisted hatching may increase the chance of pregnancy beginning in women for whom IVF has been repeatedly unsuccessful, and possibly in older women. However, the reported increase in the multiple pregnancy rate is of concern, and further studies are needed.

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