Clear rules to calculate due dates for Day 6 and Day 7 frozen embryo transfers, with practical examples, caveats, and when to follow your clinic’s protocol.
For frozen blastocyst transfers, count from the transfer date and subtract embryo age from 280 days.
Use your clinic's protocol when provided; minor adjustments are acceptable.
Learn about different methods used to calculate due dates for IVF pregnancies and why they matter.
Read MoreBack-calculate your IVF embryo transfer date from a known due date using stage-specific offsets for Day 3/5/6/7 embryos; includes worked examples and tips.
Read MoreLearn the differences between Day 3 and Day 5 embryo transfers and how they affect your due date calculation.
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