Week 21

Watch for signs of preterm labor before 37 weeks, like pressure, cramps, or leaking fluid.

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Your baby is the size of a pomegranate!

Your baby is moving their arms and legs more often.

Their taste buds are growing on their tongue. Their bone marrow is also starting to make blood cells to help them grow strong.

It’s normal to have pain in your back, under your ribs, or even in your groin. Change your position a lot, stretch, and rest when you can. But a level of pain that makes it hard to do your daily activities isn’t normal.

It’s also normal to worry about what is “normal.” Before 37 weeks, learn the signs of preterm labor—like pressure, cramps, or leaking fluid—and when to get help right away.

You should also learn what preterm labor and having a baby born early may be like, plus other warning signs in pregnancy and when you should call your care team.

Pregnancy Topics Related to Week 21

Pregnant woman holding blanket, feeling abdominal pain, risk of miscarriage

What To Expect During Labor

Preterm Labor and Birth

Preterm labor is when your body has signs of labor before 37 weeks of pregnancy. This can lead to a baby being born too early. We usually do not know why someone has preterm labor. If labor starts early, you should come to the hospital.

Young sick african american plus size woman with hands holding pressing her crotch lower abdomen. Medical or gynecological problems, healthcare concept. Young woman suffering from abdominal pain while sitting on sofa at home

Medical Care

Warning Signs During Pregnancy

Your body goes through many changes during pregnancy and after birth. Most of the time, these changes are normal. But sometimes, they can be signs of a serious health problem. It’s important to know when to get help.

The hands of a new father feeding his newborn preemie son the first drops of mommy's colostrum.

Getting To Know Your Baby

Breastfeeding Your Premature Baby

Your milk is like medicine for a premature baby! While feeding your baby however you can is the most important thing, breastfeeding your premature baby matters.