due date calculator

  • By Mallory Moss, R.N., PhD

A full term pregnancy lasts 40 weeks (280 days), separated into trimesters, starting from the first day of your last menstrual period. Physicians traditionally calculate the term including the two weeks between your last period and conception.

Enter the first day of your last period:  

· Conception Date

· 5 weeks

Your baby now has a heart! Make sure you have eliminated alcohol, caffeine and artificial sweeteners from your diet. You should be scheduling monthly visits to your obstetrician for quality prenatal care.

fetus at 1 month
VIDEO: fetus at 1 month

· 10 weeks

Major organs formed. Your embryo's fingernails are just beginning to grow. Your baby is now about 1 inch long!

· 12 weeks

You have now completed your first trimester! Your fetus can now suck its thumb and make its first fist! Your hormones are raging and you may become more emotional than normal (like uncontrolled weeping at those Long Distance commercials).

fetus at 3 months
VIDEO: fetus at 3 months

· 18 weeks

Now your baby is blinking and can move its hands in a grabbing motion! Your baby is also most likely growing scalp hair. The exhaustion you've felt during the beginning of your pregnancy should be gone by now.

fetus at 4 months
VIDEO: fetus at 4 months

· 23 weeks

Your baby's skin is now red and wrinkled. Its lungs are becoming more developed, too!

fetus at 5 months
VIDEO: fetus at 5 months

· 27 weeks

End of Second Trimester. Your baby's brain is now quickly growing! If you don't already have a pediatrician, you may want to ask your friends and family for recommendations.

fetus at 6 months
VIDEO: fetus at 6 months

· 32 weeks

Your baby has most likely assumed birth position and its eyes can react to light. If you are planning a hospital birth, now is the time to schedule a tour of the hospital and pre-register.

fetus at 7 months
VIDEO: fetus at 7 months

· 38 weeks

Two weeks until your due date. Make sure you are visiting your doctor once a week and that you have purchased a regulation car seat to drive your baby home. If you have older children, arrange for their care while you are giving birth.

fetus at 8 months
VIDEO: fetus at 8 months

· 40 weeksYour Estimated Due Date!

Hope you have your baby names picked out!

fetus at 9 months
VIDEO: fetus at 9 months

videos licensed from © Can Stock Photo

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