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1.
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.


2.
July 2017

FAQ113, July 2017

What is human immunodeficiency virus (HIV)? Human immunodeficiency virus (HIV) is the virus that causes acquired immunodeficiency syndrome (AIDS).


FAQ164, September 2015

What are prenatal diagnostic tests? Prenatal diagnostic tests are tests that can detect certain disorders before a baby is born.


4.
January 2016

FAQ115, January 2016

What causes back pain during pregnancy? The following changes during pregnancy can lead to back pain: Strain on your back muscles Abdominal muscle weakness Pregnancy hormones


5.
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.


6.
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.


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.


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...


PFSI008 How the Test Is Done CELL-FREE DNA PRENATAL SCREENING TEST What is it? The cell-free DNA prenatal screening test (also called “cfDNA test”) screens for certain conditions caused by an abnormal number of chromosomes. It does not test for all types of chromosomal disorders. Screening tests are used to estimate whether your baby is at higher risk or lower risk of having a certain condition. Diagnostic tests can give a definite answer about whether the baby has a certain condition. These tests include amniocentesis or chorionic villus sampling (CVS). = maternal ...


FAQ098, November 2013

Why may special tests be needed during pregnancy? Special testing during pregnancy most often is done when the fetus is at increased risk of problems that could result in pregnancy complications or lead to stillbirth. This can occur in the following situations: High-risk pregnancy (a woman has had complications in a previous pregnancy or has a preexisting health condition such as diabetes or heart disease) Problems during pregnancy, such as fetal growth problems, Rh sensitization, or high blood pressure Decreased movement of the fetus Pregnancy that goes past 42 weeks (postterm pregnancy...


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