If you do embryo cryopreservation and in vitro fertilization (IVF) to get pregnant, you can use the IVF- embryo transfer date to calculate the due date of pregnancy. If the doctor transferred the embryos after five days of egg collection, then calculate ahead 261 days from the transfer date.
If the doctor is transferred the embryos three days after egg collection, then calculate 263 days to determine due date. On the transfer day, the doctor will calculate the due date and inform about that to you.
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