Signs of Pregnancy/The Pregnancy Test

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Signs of Pregnancy/The Pregnancy Test

What are the signs of pregnancy?

The signs of pregnancy vary from woman to woman. Usually the most obvious sign is the absence of menstruation (amenorrhea). However, some women continue to have bleeding even while pregnant. The following are the most common first signs of pregnancy. However, each woman may experience the signs of pregnancy differently. These may include:

  • Extreme tiredness

  • Sore and swollen breasts

  • Nausea or vomiting (also called morning sickness)

  • Frequent urination

  • Certain food cravings or aversions

  • Bloating of the belly

  • Darkening of the skin around the nipples (also called the areola).

These early signs may not positively indicate pregnancy, but may actually signal another process happening within the body. A pregnancy test can provide more accurate results.

What is a pregnancy test?

Pregnancy is confirmed with a pregnancy test. A pregnancy test can be done on either urine or blood. Pregnancy tests find the presence of human chorionic gonadotropin hormone (hCG). This is a hormone made by the placenta about 10 days after fertilization. Levels of the hCG hormone approximately double every two days during the first 60 days of pregnancy. Pregnancy tests that use the woman’s blood are done by a healthcare provider usually to get a very early diagnosis of pregnancy or to confirm an at-home pregnancy test. Blood tests are very accurate and can find pregnancy by the second week after conception.

Women can conduct an at-home pregnancy test by testing a sample of urine about two weeks after conception, or about the time a period is due. Home pregnancy tests have become more accurate in the last decade. If the test is used correctly, most home pregnancy tests are 97% to 99% accurate.

Always talk with your healthcare provider to confirm a positive at-home pregnancy test with a more reliable pregnancy test and physical exam. If your at-home pregnancy test results are negative, and you think you are pregnant, you should also talk with your healthcare provider.