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Your Weekly Pregnancy Development: Week 7

Baby's face becomes more defined

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By the 7th week of pregnancy, she is barely the length of your pinky fingernail.

Your baby is growing from head to feet

Week 7: Facial and body features emerge

During the first 6 weeks of pregnancy, your baby's heartbeat was the big event. When you're 7 weeks pregnant, the major milestone is your baby's developing facial and physical features. Highlights for your 7th week of pregnancy include the following:

  • By the 7th week of pregnancy, she is 1/3 of an inch to 1/2 of an inch long — barely the length of your pinky fingernail.
  • Your baby's face becomes more defined when you're 7 weeks pregnant. Her mouth, nostrils, and ears begin to appear.
  • When you're 7 weeks pregnant, the lenses in your baby's eyes begin to form and the iris color is visible.
  • Her arms, shoulders, hands, legs, and feet begin to take shape by the 7th week of pregnancy, with the early formation of fingers and toes just another week away.
  • Around the 7th and 8th week of your pregnancy, your baby's body elongates and her neck straightens.
  • Your baby's brain becomes more complex during the 7th week of pregnancy. The skull that's growing to protect it is transparent and rounding.








Pregnancy week 7

Your Week 7 nutrition and health

Increase your iron intake from food, and take your prenatal multivitamins as prescribed by your doctor

Between the 5th and 8th weeks of pregnancy, nutrition plays a huge role in developing your baby's nervous, digestive, respiratory, circulatory, and reproductive systems. At 7 weeks pregnant, continue to make nutrition a priority by following these two tips:

  • Iron intake from foods and prenatal vitamins is important. Increased blood volume during pregnancy and the demands of your growing baby put pregnant women at higher risk of iron deficiency or anemia. The most readily available iron in foods is called heme iron, and it can be found in lean meat, including beef, pork, and dark-meat poultry. Plant foods that contain iron, such as leafy green vegetables and dried beans and peas, should be eaten with foods high in vitamin C — such as tomatoes or oranges — to enhance iron absorption. Prenatal multivitamins also include extra iron.
    • The Dietary Reference Intake level of iron that is recommended during pregnancy is 27 mg, which can be found in most prenatal multivitamins.
  • Keep taking prenatal multivitamins. They provide an extra source of iron, folic acid, and other important vitamins and minerals. Remember that prenatal multivitamins are not a substitute for a healthy diet.
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