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FAQ186, March 2018

What is progestin? Progestin is a form of progesterone, a hormone that plays a role in the menstrual cycle and pregnancy. Progestin is used in combination with another hormone called estrogen in combined hormonal birth control pills, the vaginal ring, and the skin patch. It also can be used by itself in progestin-only pills and the birth control injection. The birth control implant and the hormonal intrauterine device also are progestin-only forms of birth control and are discussed in FAQ184 Long-Acting Reversible Contraception.


22.
December 2016

FAQ175, December 2016

What is sonohysterography? Sonohysterography is a special kind of ultrasound exam. Fluid is put into the uterus through the cervix using a thin plastic tube. Sound waves are then used to create images of the lining of the uterus. The fluid helps show more detail than when ultrasound is used alone. This test can be done in your obstetrician–gynecologist’s (ob-gyn) office, a hospital, or a clinic. It usually takes less than 30 minutes.


23.
August 2015

FAQ068, August 2015

What is at-risk drinking? At-risk drinking means drinking more than seven drinks a week or three drinks on a single day. At-risk drinking also includes binge drinking.


FAQ164, September 2016

What is prenatal genetic testing? Prenatal genetic testing gives parents-to-be information about whether their fetus has certain genetic disorders.


25.
June 2016

FAQ173, June 2016

When is a baby considered “preterm” or “extremely preterm?” A normal pregnancy with one baby lasts about 40 weeks. Babies born before 37 completed weeks of pregnancy are called “preterm” or “premature.” Babies born before 28 completed weeks of pregnancy are considered extremely preterm. The earlier a baby is born, the less likely he or she is to survive. Those who do survive often have serious, sometimes long-term health problems and disabilities.


FAQ121, June 2017

What are common signs and symptoms of polycystic ovary syndrome (PCOS)? Common PCOS signs and symptoms include the following: Irregular menstrual periods—Menstrual disorders can include absent periods, periods that occur infrequently or too frequently, heavy periods, or unpredictable periods. Infertility —PCOS is one of the most common causes of female infertility. Obesity—Up to 80% of women with PCOS are obese. Excess hair growth on the face, chest, abdomen, or upper thighs—This condition, called hirsutism, affects more than 70% of women with PCOS. Severe acne or acne that occurs a...


27.
July 2017

FAQ134, July 2017

What is endometrial ablation? Endometrial ablation destroys a thin layer of the lining of the uterus. Menstrual bleeding does not stop but is reduced to normal or lighter levels. If ablation does not control heavy bleeding, further treatment or surgery may be needed.


28.
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.


29.
September 2015

FAQ011, September 2015

Sterilization is a permanent method of birth control. Sterilization procedures for women are called tubal occlusion. The procedure for men is called vasectomy.


30.
August 2011

FAQ048, August 2011

What is osteoporosis? Osteoporosis is a condition in which bones become thin, brittle, and weak.


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