Baby development spans from conception to birth and beyond, encompassing critical milestones in brain, bone, and skull growth. Average infant weight gain and growth spurts vary by month.
Babies start developing their 300 bones during the second trimester, according to MayoClinic.com. As your baby grows in utero, her bones turn from cartilage to bone, then fuse together to form an adultlike skeleton. Keeping your baby healthy and promoting good bone health will help ensure a strong skeleton for life.
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How early you can tell the gender of your baby depends on the method of detection you use. You might want to know your baby's gender so that you can choose an appropriate name, or you might need to know if your baby is at increased risk for gender-linked genetic abnormalities.
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