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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.


FAQ503, July 2018

Why does my baby need newborn screening tests? All babies must have newborn screening tests. Most babies are born healthy, but some may have health problems that are not easy to see. Screening tests can find these problems. If problems are found early, treatment can help prevent serious medical conditions or death.


If you use marijuana during pregnancy, you may be putting your health and your fetus’s health at risk.


4.
May 2018

FAQ006, May 2018

What is cesarean birth? Cesarean birth is the delivery of a baby through incisions made in the mother's abdomen and uterus.


FAQ006, May 2018

What is cesarean birth? Cesarean birth is the delivery of a baby through incisions made in the mother's abdomen and uterus.


FAQ196, May 2018

What is marijuana? Marijuana is a plant that contains a chemical called tetrahydrocannabinol (THC). THC can cause relaxation and the typical “high” associated with marijuana use. Marijuana has other chemicals that affect different organs in the body, including the brain, lungs, blood vessels, heart, and liver.


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.


American College of Obstetricians and Gynecologists
409 12th Street SW, Washington, DC  20024-2188 | Mailing Address: PO Box 70620, Washington, DC 20024-9998