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41.
July 2015

FAQ188, July 2015

How does multiple pregnancy occur? A twin, triplet, or higher-order pregnancy (four or more babies) is called multiple pregnancy. If more than one egg is released during the menstrual cycle and each is fertilized by a sperm, more than one embryo may implant and grow in your uterus. This type of pregnancy results in fraternal twins (or more). When a single fertilized egg splits, it results in multiple identical embryos. This type of pregnancy results in identical twins (or more). Identical twins are less common than fraternal twins.


FAQ156, June 2015

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, the baby is called an embryo. From the ninth week of pregnancy until birth, it is called a fe...


FAQ006, May 2015

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


FAQ103, April 2015

What is prenatal care? Prenatal care is the health care you get while you are pregnant. It includes medical care, education, and counseling. The earlier you get prenatal care, the better your chances are for a healthy pregnancy and baby.


FAQ001, April 2015

How can I plan healthy meals during pregnancy? Planning healthy meals during pregnancy is not hard. The United States Department of Agriculture has made it easier by creating www.choosemyplate.gov. This web site helps everyone from dieters and children to pregnant women learn how to make healthy food choices at each mealtime.


Pregnancy Periods Sexuality and Relationships 10. Have safe and healthy relationships with a boyfriend or girlfriend. 11. Know when a relationship is threatening or harmful. 12. Talk about lesbian, gay, bisexual, and transgender (LGBT) topics. 13. Think things through before you have sex for the first time. 14. Learn about safe sex. 15. Get birth control so you can choose to become pregnant when the time is right for you. 16. Plan ahead for a safe and healthy pregnancy. 17. Get tested for pregnancy. 18. Know what your options are if you become pregnant. 19. Protect yourself fr...


PFS006, December 2014

Why does my baby need newborn screening tests? Although most babies are healthy when they are born, every U.S. state requires that newborn screening tests be performed on all babies to identify those that may look healthy but have a rare and serious health problem. If problems are found early, treatment can help prevent serious medical problems or death.


FAQ034, September 2014

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 baby.


FAQ169, June 2014

What are some of the common skin changes that occur during pregnancy? Many women notice changes to their skin, nails, and hair during pregnancy. Some of the most common changes include the following: Dark spots on the breasts, nipples, or inner thighs Melasma—brown patches on the face around the cheeks, nose, and forehead Linea nigra—a dark line that runs from the navel to the pubic hair Stretch marks Acne Spider veins Varicose veins Changes in nail and hair growth


FAQ165, April 2014

What is a birth defect? A birth defect is a problem that is present at birth, although it may not be noticed until the child is older. Birth defects may affect any part of the body, including major organs such as the heart, lungs, or brain. The defect may affect the baby’s appearance, a body function, or both.


American College of Obstetricians and Gynecologists
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