Here is what the email about 14weeks pregnant has to say about the developing baby. We do NOT know if we are having a boy or girl, they usually refer to the baby as a she/her. Welcome to your second trimester! This is a big milestone in your pregnancy because it marks the end of a critical development period for your baby. All the basic structures of your baby's body — internally and externally — are formed now. Of course, they're still very tiny. Head to bottom, your baby is just 3 1/2 inches long — about the length of a lemon — and weighs about 1 1/2 ounces. Your baby's body is growing faster than her head, which now sits upon a more well-defined neck. By the end of this week, her arms will have lengthened and will be in proportion to the rest of her body. (Her legs still have some growing to do, though.) She's starting to develop an ultra-fine, downy covering of hair all over her body called lanugo. Her liver starts secreting bile this week, a sign that it's alr...