Pregnancy

• Pregnancy Calendar: Week 40

  Your baby is here! Or maybe not — most women, especially first-time moms, don’t deliver on their estimated due dates.

• Pregnancy Calendar: Week 5

  This week, the embryo begins to form a distinct shape that includes the neural tube, which will become the spinal cord and brain.

• Pregnancy Calendar: Week 7

  The umbilical cord has formed, and the mouth, nostrils, ears, and eyes are some of the facial features that become more defined this week. The arm bud now has a hand on the end of it, which looks like a tiny paddle.

• Pregnancy Calendar: Week 9

  Your baby measures about 0.6 to 0.7 inches from crown to rump and weighs around 0.1 ounces. Your baby may make some first movements as muscles develop, but you won’t feel them for several more weeks.

• Pregnancy Precautions

  There can be a lot of questions about what’s safe during pregnancy. Find out what’s OK and what you should avoid before your baby is born.

• Pregnancy Slideshow (Baby)

  This week‑by‑week pregnancy calendar shows you some of the important developments taking place as your baby grows.

• Pregnancy Slideshow (Mom & Baby)

  Here’s a peek at what’s going on inside your body during the amazing 40 weeks of pregnancy. Watch your belly — and your baby — grow!

• Pregnant or Breastfeeding? Nutrients You Need

  Learn which nutrients you need while pregnant or breastfeeding, and easy ways to add them to your diet.

• Prenatal Test: Amniocentesis

  In amniocentesis, doctors take a sample of the amniotic fluid that surrounds a baby to check for signs of problems such as chromosomal disorders, genetic problems, and neural tube defects

• Prenatal Test: Chorionic Villus Sampling (CVS)

  A chorionic villus sampling (CVS) checks cells from the placenta for chromosomal abnormalities. Most women whose pregnancies are not high-risk don’t need this test.