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During the first month of pregnancy, the babies heart begins to beat, and the mother is discovering that she's pregnant.
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During the second month of pregnancy, the baby's bones begin to form, and the mother may experience moodiness as hormone levels adjust.
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During the third month of pregnancy, all the baby's organs are present but still immature, and the mother may experience her first food cravings as appetite returns.
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During the fourth month of pregnancy, the baby's facial features become clearer, and the mother may develop heartburn as her uterus rises in the abdomen.
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During the fifth month of pregnancy, the baby is starting to become more active, and the mother usually gains 5 to 15 pounds by this time.
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During the sixth month of pregnancy, the baby's breathing movements begin, and the mother will become more tired easily.
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During the seventh month of pregnancy, the fetus develops more and more fat from now until the end of pregnancy, and the mother is experiencing pelvic pain.
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During the eighth month of pregnancy, the baby moves into a head-down position and the mother is having shortness of breath.
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During the ninth month of pregnancy, the baby descends into the pelvis as it gets ready for birth, and the monther's cervix gradually opens to allow the baby to eventually pass.
