Get pregnant faster when you track your fertile days with personalized alerts. Already pregnant? Track baby's week-by-week development with pregnancy alerts. You'll also receive weekly fertility and pregnancy news via email, and all of our tools will be personalized for you!

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Please go here for a mobile calculator


Pregnancy Dates Due Date:
Today's Date:
Ovulation: OD
Expected Next Period:
Fetal Heart Beat Seen:
Nuchal Screen:
2nd Trimester Begins:
Fetal Movements:
Pregnancy Viable:
Glucose Screen:
3rd Trimester Begins:
Term Pregnancy Begins:
Due Date:
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  • Budget Baby First Year

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Improve your fertility, and his too!

Our new app gives you personalized fertility insights and expert guidance to take the guesswork out of getting pregnant.

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Improve your fertility and get pregnant faster

Obie is your reproductive health coach, helping you reach your goal with expert personalized guidance.

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Not an iOS user? Sign up to be the first to know about Obie for Android.

Track your pregnancy

Get expert guidance and personalized insights to stay healthy through every week of your pregnancy.

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Track your ovulation and pinpoint implantation

Obie uses the latest medical science and your personal insights to give you accurate predictions at every stage of your pregnancy journey.

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Know exactly when to test

The Obie app tracks your fertility, ovulation, and implantation so you’ll know the earliest date a pregnancy test could be positive.

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Pinpoint your due date with Obie

With the Obie app, you can accurately predict your pregnancy milestones based on your cycle history.

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Optimize your fertility with Obie

The Obie app gives you personalized insights and actionable advice based on the science of your body.

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Get the fertility answers you need from Obie

The Obie app gives you personalized insights and tailored advice, so you get the answers you need without having to search for them.

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Understand the science of your body

Get personalized insights when you log your symptoms and track your cycle in the Obie app.

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