Cryopreservation can be carried out as oocyte cryopreservation ahead of fertilisation, or as embryo cryopreservation immediately after fertilisation. Once a physician deems the uterine lining favorable for embryo transfer, the frozen embryos thaw. Then, a doctor transfers them in to the uterus employing a catheter. The procedure is often painless https://socialimarketing.com/story3957732/the-single-best-strategy-to-use-for-ivf