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FAQ060, July 2018

How does age affect fertility? A woman’s peak reproductive years are between the late teens and late 20s. By age 30 years, fertility (the ability to get pregnant) starts to decline. This decline becomes more rapid once you reach your mid 30s. By age 45 years, fertility has declined so much that getting pregnant naturally is unlikely for most women.


FAQ034, May 2018

What is high blood pressure? Blood pressure is the pressure of the blood against the blood vessel walls each time the heart contracts (squeezes) to pump the blood through your body (see FAQ123 Managing High Blood Pressure). High blood pressure also is called hypertension. Hypertension can lead to health problems. During pregnancy, severe or uncontrolled hypertension can cause complications for you and your fetus.


FAQ156, April 2018

How does pregnancy begin? Fertilization, the union of an egg and a sperm into a single cell, is the first step in a complex series of events that leads to pregnancy. Fertilization takes place in the fallopian tube. Over the next few days, the single cell divides into multiple cells. At the same time, the small cluster of dividing cells moves through the fallopian tube to the lining of the uterus. There it implants and starts to grow. From implantation until the end of the eighth week of pregnancy, it is called an embryo. From the ninth week of pregnancy until birth, it is called a fetus.


FAQ027, February 2018

What is the Rh factor? The Rh factor is a protein that can be found on the surface of red blood cells. If your blood cells have this protein, you are Rh positive. If your blood cells do not have this protein, you are Rh negative.


5.
February 2018

FAQ001, February 2018

How can I plan healthy meals during pregnancy? The United States Department of Agriculture has made it easier to plan meals during pregnancy by creating www.choosemyplate.gov. This website helps everyone from dieters and children to pregnant women learn how to make healthy food choices at each mealtime.


6.
November 2017

FAQ177, November 2017

What is gestational diabetes (GD)? Diabetes mellitus (also called “diabetes”) is a condition in which too much glucose (sugar) stays in the blood instead of being used for energy. Health problems can occur when blood sugar is too high. Some women develop diabetes for the first time during pregnancy. This condition is called gestational diabetes (GD). Women with GD need special care both during and after pregnancy.


7.
September 2017

FAQ060, September 2017

The information on this page has been replaced with FAQ060, "Having a Baby After Age 35: How Aging Affects Fertility and Pregnancy."


8.
September 2017

FAQ133, September 2017

Why are tests done during pregnancy? A number of lab tests are suggested for all women as part of routine prenatal care. These tests can help find conditions that can increase the risk of complications for you and your fetus.


9.
September 2017

FAQ105, September 2017

What is group B streptococcus (GBS)? Group B streptococcus is one of the many types of bacteria that live in the body and usually do not cause serious illness. It is found in the digestive, urinary, and reproductive tracts of men and women. In women, it can be found in the vagina and rectum. GBS is not a sexually transmitted infection (STI). Also, although the names are similar, GBS is different from group A streptococcus, the bacteria that causes “strep throat.”


FAQ165, July 2017

What is prenatal genetic testing? Prenatal genetic testing gives parents-to-be information about whether their fetus has certain genetic disorders.


American College of Obstetricians and Gynecologists
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