Maybe you want the facts on how pregnancy happens. Or maybe you’re pregnant and want to know more about your options. Or maybe you want to know how to have a healthy pregnancy. You’ve come to the right place.
Your fertilized egg, known as a zygote, is a ball of 32 cells that's about the size of a poppy seed. It's at this stage that the cells separate into three distinct layers from which your baby's internal organs and skin will develop.
Your baby has graduated from embryo to fetus—and is now about the size of a cherry. The digestive tract and reproductive organs are formed, but it's still too early for even a skilled technician to tell whether you're having a boy or a girl.
Your baby is the size of a papaya. Her lungs are developing rapidly, and they will begin making a protein called surfactant, which will help her breathe independently once she's born.
By the time she's born, your baby may be watermelon-size. You're expecting to give birth this week, but don't worry if your baby decides to stick around a little longer. Many first babies are late, and she'll be worth the wait—we promise!
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