Pregnant or planning


Whether you're hoping to get pregnant or already have a baby on the way, we have tools to help you prepare and learn what to expect.

You can also visit our pregnancy center for support during every stage of your pregnancy.

When are you most fertile?

Photo of a couple with a pregnancy testThis interactive tool first estimates the day you will ovulate, and then your peak fertility period, also known as your "fertile window." This is when you are most likely to get pregnant. In the tool, you will enter the typical length of your menstrual cycle and the first day of your last menstrual period.

When are you most likely to get pregnant?

Calculate your due date

Use this tool to estimate when your baby should arrive. You'll need to know the day that your last period started.

Calculate your due date.

Track your baby's development

Go month by month through a pregnancy to see how much a growing fetus changes every few weeks. You'll also get information about suggested tests, healthy pregnancy choices, premature birth, and labor and delivery.

Learn how an embryo grows into a baby.

Reviewed by: Mark Groshek, MD, April 2016

© 2016 Kaiser Permanente

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