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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.


FAQ195, January 2018

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


FAQ184, January 2018

What are long-acting reversible contraception methods? The intrauterine device (IUD) and the birth control implant are long-acting reversible contraception methods. Both are highly effective in preventing pregnancy. They last for several years and are easy to use. Both methods are reversible—if you want to get pregnant or if you want to stop using them, you can have them removed at any time.


FAQ015, February 2018

What is fetal heart rate monitoring? Fetal heart rate monitoring is the process of checking the condition of your baby during labor and delivery by monitoring his or her heart rate with special equipment.


FAQ070, December 2017

What is a vaginal birth after cesarean delivery (VBAC)? If you have had a previous cesarean delivery, you have two choices about how to give birth again: 1. You can have a scheduled cesarean delivery. 2. You can give birth vaginally. This is called a VBAC. What is a vaginal birth after cesarean delivery (VBAC)? If you have had a previous cesarean delivery, you have two choices about how to give birth again: You can have a scheduled cesarean delivery; You can give birth vaginally. This is called a vaginal birth after cesarean delivery (VBAC).


FAQ500, March 2018

Why should I think about using birth control right after I have a baby? It is possible to get pregnant very soon after having a baby if you have sex and do not use birth control. Some women can become pregnant even before their menstrual periods return. Starting a birth control method immediately after you have a baby can help you avoid an unintended pregnancy. It also lets you control if or when you want to become pregnant again.


FAQ022, March 2018

What are barrier methods of birth control? Barrier methods of birth control act as barriers to keep the man’s sperm from reaching the woman’s egg. Some barrier methods also protect against sexually transmitted infections (STIs). A few barrier methods (spermicide, condom, and sponge) can be bought in most drugstores. Others (diaphragm and cervical cap) must be prescribed by a health care professional.


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February 2018

FAQ001, February 2018

How can I plan healthy meals during pregnancy? The United States Department of Agriculture has made it easier to plan meals during pregnancy by creating www.choosemyplate.gov. This website helps everyone from dieters and children to pregnant women learn how to make healthy food choices at each mealtime.


FAQ156, April 2018

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


FAQ027, February 2018

What is the Rh factor? The Rh factor is a protein that can be found on the surface of red blood cells. If your blood cells have this protein, you are Rh positive. If your blood cells do not have this protein, you are Rh negative.


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