The normal heart rate at rest is 60-100 BPM with an average of 75 BPM in women.It can however be on a higher side in premenstrual period,pregnancy and perimenopausal age. Anything over 100 at rest is technically defined as a tachycardia.
Tachycardia at rest can be found in anxiety,stress,nervousness,panic attack,after a large meal,exercise,high or low BP, paroxysmal supraventricular tachycardia,heart disorders,hyperthyroidism and anemia.
Pregnancy can be one reason but other causes also need to be ruled out.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care.
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