Women who feel sad or angry don’t have a greater chance of a miscarriage, though if this type of mood does persist it’s recommended that they see a doctor for advice. In regards to stress and anxiety, a link between them and a miscarriage has not been concretely established. Though BIG things, like a death in the family, divorce or moving, may have some impact upon the health of the pregnancy, but the link between these two factors is at present under-researched.

By 18 months a baby should have developed the ability to walk alone, including standing up, balancing, and taking steps. Babies who cannot walk by 18 months should be evaluated by their physician.

A newborn baby should spend the majority of the day sleeping, waking every four hours or so to eat. If the baby is not waking on his own, or seems uninterested in eating regularly, it may be a sign of illness, and the baby should be inspected by the doctor.

As the fertilized egg grows, a water-tight sac forms around it, gradually filling with fluid. This is called the amniotic sac, and it helps cushion the growing embryo.

An older woman's eggs aren't fertilized as easily as a younger woman's eggs — and might not develop normally even after fertilization occurs.

Antibiotic treatment may cure an infection of the reproductive tract, but doesn't always restore fertility. Your doctor may recommend hormone replacement or medication in cases where infertility is caused by high or low levels of certain hormones or problems with the way the body uses hormones. A varicocele can often be surgically corrected or an obstructed vas deferens repaired.