A member asked:

How accurate are the conceiving calculators? due january 8th. had period march 19th lmp due date is dec 20th. confused when conceived?

A doctor has provided 1 answer

Depends on cycle: The calculators are based on a 28 day cyc.E, no more, no less. If your cycle deviated in length in any way from that time frame (which is still normal), the calculation will be inaccurate. It seems as thought this was a 35 cay cycle which would maje ovulation about 6 days later than predicted.

Answered 9/28/2016

4.6k views

Thank

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