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1.
October 2017

PFS007, October 2017

BRCA1 and BRCA2 Mutations Cancer is caused by several different factors. A few types of cancer run in families. These types are called “hereditary” or “familial” cancer. They are caused by changes in genes that can be passed from parent to child. Changes in genes are called mutations. Hereditary breast and ovarian cancer (HBOC) syndrome is an inherited increased risk of breast cancer, ovarian cancer, and other types of cancer. HBOC syndrome is linked to mutations in several genes, but the most common are called BRCA1 and BRCA2. Inheriting one of these mutations increases the risk of getti...


2.
April 2017

FAQ179, April 2017

Pregnancy What is carrier screening? What is a carrier? What are the chances of having a child with a genetic disorder? How is carrier screening done? When can carrier screening be done? Do I have to have carrier screening? What carrier screening tests are available? Who should have carrier screening? What is targeted carrier screening? What is expanded carrier screening? Is one approach better than the other? What choices do I have if my partner and I are carriers of a genetic disorder? How accurate is carrier screening? Are results...


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 ...


FAQ171, June 2017

What is cystic fibrosis (CF)? Cystic fibrosis (CF) is a disease that affects a person’s long-term health and lifespan. It often causes problems with digestion and breathing. In some cases, CF can be a mild disease. But in most people with CF, it poses a serious risk to a person’s health. The average lifespan of a person with CF is 37 years. Those with a milder form can live into their 50s.


FAQ164, September 2015

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


6.
April 2017

FAQ094, April 2017

What are genes? A gene is a small piece of hereditary material called DNA that controls some aspect of a person’s physical makeup or a process in the body. Genes come in pairs.


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."


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.


PFS012, June 2016

What are opioids? Opioids are a type of medicine that relieves pain. Prescribed opioids include oxycodone, hydromorphone, hydrocodone, codeine, methadone, propoxyphene, and buprenorphine. These medications sometimes are called narcotics. Doctors may prescribe opioids for people who have had surgery, dental work, or an injury. Heroin is an illegal opioid drug.


10.
July 2018

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.


American College of Obstetricians and Gynecologists
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