Congratulations on your first pregnancy! Being pregnant for the first time is miraculous, mysterious and overwhelming at times. Millions of first-time-pregnant questions are probably buzzing about in your head. Here are some answers to common questions for first pregnancies.

Many first-time pregnant women cannot wait to show so they can begin wearing maternity clothes and look pregnant. But when does this typically happen?

According to Dr. Errol R. Norwitz, professor at Yale University School of Medicine and co-director of the Division of Maternal-Fetal Medicine, it varies, but the uterus with the growing fetus inside can typically be felt above the pelvic bone at around 12 weeks or 3 months. This is usually when you begin to notice your belly increasing in size. "Even before you can feel your uterus above the pelvis, however, you may notice other changes, such as swelling of your ankles and engorgement of your breasts," says Dr. Norwitz.

"I'm almost 3 months along and I've only gained 3 pounds from my pre-pregnancy weight," says Claire B. from Pacifica, Calif., who had a miscarriage last year and is pregnant again. "I feel my body changing and I've noticed I'm starting to show. When should I expect to start seeing the pounds add on and how much weight gain is typical?"

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