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Infertility is a term doctors use if a man hasn't been able to get a woman pregnant after at least one year of trying. Causes of male infertility include:

• Physical problems with the testicles
• Blockages in the ducts that carry sperm
• Hormone problems
• A history of high fevers or mumps
• Genetic disorders
• Lifestyle or environmental factors

About a third of the time, infertility is because of a problem with the man. One third of the time, it is a problem with the woman. Sometimes no cause can be found.

If you suspect you are infertile, see your doctor. There are tests that may tell if you have fertility problems. When it is possible to find the cause, treatments may include medicines, surgery, or assisted reproductive technology. Happily, many couples treated for infertility are able to have babies.

NIH: National Institute of Child Health and Human Development

Some medicines are safe to take during pregnancy, but many are not. If you're pregnant, check with your health care provider before taking any medicine. Some medicines can harm your developing fetus. This includes:

• Prescription drugs
• Over-the-counter medicines
• Herbs and supplements

Always talk to your provider before you stop or start any medicine. You may take medicine to treat a health problem you had before pregnancy. Not using the medicine that you need may be more harmful to you and your fetus than using the medicine. For example, many pregnant women take prescription medicines for health problems like diabetes, asthma, seizures, and heartburn. The decision about whether to take a certain medicine should depend on the risks and benefits that go with it. You and your provider should make this choice together.

If you're pregnant, you shouldn't take regular vitamins. They may have too much or too little of the vitamins you need. For example, everyone needs folic acid, a type of B vitamin. But if you're trying to get pregnant, it's really important. Getting enough folic acid before and during pregnancy can prevent birth defects of the brain or spine. During your prenatal care visits, your provider will talk about prenatal vitamins. These are a special kind of vitamin to take during pregnancy.

Food and Drug Administration