Estimate your implantation date with our calculator!

Our implantation calculator estimates your implantation date, whether you’re trying naturally or having fertility treatment. And it’s based on the latest medical research.

We’ve finally created one! Our helpful implantation calculator tells you when your embryo is most likely to implant into your uterus. Just confirm your method of conception and the dates you know best. We’ll then highlight your implantation window. We think it’s the best implantation date calculator online – and the most accurate!

Calculate your implantation window by following these steps.

How are you trying to conceive?

Which date are you most sure about?

When did you ovulate?

When was the first day of your last bleed?

How many days is your menstrual cycle?

Select your embryo transfer date.

Fingers crossed!

Implantation will probably happen between and .

But it’s more likely to take place between and .

Good luck, and read our useful implantation tips.

Fingers crossed!

Implantation will probably happen between and .

But it’s more likely to take place between and .

Good luck, and read our useful implantation tips.

Disclaimer: Every pregnancy is different so dates given are approximate. You must not rely on this calculator as a substitute for medical diagnosis or advice from a healthcare professional.

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