There are times when my heart just starts racing for no reason .I'm not stressed i don't smoke.I feel nausea at times my doctor has put me on beta blocker to slow the heart rate down.It has not helped also I feel hot all the time .My cycle last about 3 days.I'm wondering is this normal.I am 31 years old she said,I am to young for menopause.Am i going through menopause early.Alsao I've been trying to conceive for a while but have not been able.