A member asked:

Im 13 weeks pregnant why is my heart rate always above 100 and i have frequently headache?

A doctor has provided 1 answer

Possible anemia: First of all, pregnancy causes an increase in blood volume in the process of adding 1500 to 2000 cc's of additional blood. Unfortunately, the red blood cell component of the increased volume often takes up to three months to catch up ergo anemia. Prenatal vitamins help, but remember you have added an extra blood "circuit" with the fetus. have your OB check for anemia.

Answered 8/10/2014

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