Week 11 of Pregnancy

Baby Size Comparison in Week 11

In week 11 of pregnancy your baby measures about 4 cm long and weighs about 7 grams: roughly the size of Fig. Remember these are approximate averages from standard growth charts; every baby grows at their own pace, and your doctor follows your baby's personal growth curve across visits, not a single number. If an ultrasound measures a little bigger or smaller than average, that is usually normal as long as growth continues at a steady rate.

Baby Development in Week 11

The fetus can now open and close its tiny fists and open its mouth, and its facial muscles move. The facial bones gradually harden and its own features take shape, and the eyes move apart toward their normal position. The milk-tooth buds are complete under the gums, and the permanent molar buds have also begun forming.

The fingers have fully separated and the web between them is gone, and the nails grow. The intestines, which had been growing outside the belly in the umbilical cord, have begun returning to their place inside the abdominal cavity. The kidneys produce urine that passes into the amniotic fluid, and the fetus swallows some of it, training its digestive system. The head is still large, making up about half the body length.

The fetus can open its mouth and open and close its fists, and its facial muscles move with primitive expressions. The facial bones gradually harden and the eyes move apart toward their normal position. The fingers have fully separated and the web between them is gone, and the nails grow. The intestines that had been growing outside the belly return to the abdominal cavity, and the kidneys produce urine that passes into the amniotic fluid. The head is still large, making up about half the body length, a normal proportion that will gradually change as the body grows.

Your Body Changes in Week 11

Nausea begins fading gradually in most, though some sensitivity to smells remains. Constipation is common from the growing uterus pressing and slowed bowels, along with mild heartburn after meals.

You may feel a mild twinge like a pinch on the sides of the belly when sneezing or standing up suddenly; it is the normal round ligament pain. Hair and nails grow fast from the hormones. Some women notice a dark line beginning to appear from the navel downward (the linea nigra), which will become clearer later. Energy gradually returns and you begin feeling truly pregnant rather than ill.

Constipation is common; treat it with water, fiber, and movement before resorting to laxatives. Avoid sitting for long; move every hour. Eat yogurt to support gut health. And if constipation lasts a full week, ask your doctor about a pregnancy-safe laxative.

Practical Tips for Week 11

• Eat calcium-rich foods (milk, yogurt, sesame) to support the hardening of the baby's bones.
• Drink 8 to 10 glasses of water daily with fiber to avoid constipation and hemorrhoids.
• Avoid chronic constipation; straining hard worsens hemorrhoids, which are common in pregnancy.
• Start thinking about baby names; finding out the sex is close (a few weeks away).

Frequently Asked Questions About Week 11