While some amount of spitting up or choking is common with newborns when they are first learning how to eat, if it continues, worsens, or seems uncomfortable to the baby, it may be time to contact the pediatrician to check for reflux.

Since your baby's most critical development has taken place by month 3, your chance of miscarriage drops considerably after three months.

As a medical diagnosis, advanced maternal age serves as a heads up for healthcare professionals. It simply means the woman is 35 or older, which could make getting pregnant problematic. Or, if she is already pregnant, she or her baby might be more prone to certain risks.

Egg quality declines significantly in the late 30s and early 40s.

Causes of implantation failure include  genetic defects, thin endometrium, embryonic defects and endometriosis.

The sponge is more effective for women who have never given birth. If women who have never given birth always use the sponge as directed, 9 out of 100 will become pregnant each year. If women who have never given birth don't always use the sponge as directed, 12 out of 100 will become pregnant each year.