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Why is taking your temperature important for charting your fertility cycle?

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Checking basal body temperature is a long-established way to predict when you ovulate, and it's helped many women get pregnant. But recent research has shown that it may not work as well as experts previously thought.

Before you ovulate, your basal body temperature is usually about 97 to 97.5 F, although those numbers can vary from person to person.

During ovulation, your body releases the hormone progesterone, which causes a slightly raised temperature a day or two later -- usually by 0.5 degrees. Your temperature will probably stay high until your next cycle begins. If you become pregnant during that cycle, your temperature will stay up beyond that.

From: Charting Your Fertility Cycle WebMD Medical Reference

SOURCES: American College of Obstetricians and Gynecologists. American Pregnancy Association: "Ovulation Kits & Fertility Monitors." BabyMed. National Institute of Child Health and Human Development. National Institute of Environmental Health Sciences. , December 2002. Scolaro, K.,  , Feb. 15, 2008. FDA: "Home Use Tests -- Ovulation (Saliva Test)."







Obstetrics and GynecologyAmerican Journal of Health-System Pharmacy

Reviewed by Trina Pagano on June 23, 2017

WAS THIS ANSWER HELPFUL

SOURCES: American College of Obstetricians and Gynecologists. American Pregnancy Association: "Ovulation Kits & Fertility Monitors." BabyMed. National Institute of Child Health and Human Development. National Institute of Environmental Health Sciences. , December 2002. Scolaro, K.,  , Feb. 15, 2008. FDA: "Home Use Tests -- Ovulation (Saliva Test)."







Obstetrics and GynecologyAmerican Journal of Health-System Pharmacy

Reviewed by Trina Pagano on June 23, 2017

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