Menstruation deferred 12 days measured not pregnant but have early pregnancy reaction again how to r

Menstruation delay twelve days measured not pregnant but there is early pregnancy reaction, sometimes may be their own psychological reaction, there may be endocrine disorders caused by early pregnancy reaction. Suggestion: you can go to the hospital to do a uterine B ultrasound examination, if you do not see pregnancy sac, can take progesterone, promote menstrual cramps.