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31.
February 2016

FAQ172, February 2016

What is cord blood? Cord blood is the blood from the baby that is left in the umbilical cord and placenta after birth. It contains special cells called hematopoietic stem cells that can be used to treat some types of diseases.


32.
February 2016

FAQ192, February 2016

What is assisted vaginal delivery? Assisted vaginal delivery is vaginal delivery of a baby performed with the help of forceps or a vacuum device. It sometimes is called operative vaginal delivery.


FAQ146, February 2016

What is a birth defect? A birth defect is a condition that is present at birth. Some birth defects can be seen right after the baby is born, such as a clubfoot or extra fingers or toes. Special tests may be needed to find others, such as heart defects or hearing loss. Some birth defects are not noticed until later in life.


34.
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


FAQ126, December 2015

How common is nausea and vomiting of pregnancy? Nausea and vomiting of pregnancy is a very common condition. Although nausea and vomiting of pregnancy often is called “morning sickness,” it can occur at any time of the day. Nausea and vomiting of pregnancy usually is not harmful to the developing baby, but it can have a serious effect on your life, including your ability to work or do your normal daily activities.


FAQ189, October 2015

What is influenza (the flu)? Influenza (the flu) is more than a bad cold. It usually comes on suddenly. Signs and symptoms may include fever, headache, fatigue, muscle aches, coughing, and sore throat. It can lead to complications, such as pneumonia. Some complications can be life-threatening.


FAQ164, September 2015

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


38.
August 2015

FAQ090, August 2015

What is early pregnancy loss? The loss of a pregnancy during the first 13 weeks of pregnancy (the first trimester) is called early pregnancy loss, miscarriage, or spontaneous abortion.


39.
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...


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