Do not doze off but yawn all the time is how to return a responsibility, period is postponed

According to the above description, it should be considered whether it is caused by cerebral hypoxia. For women with delayed menstruation, it is highly suspected that pregnancy is caused by early pregnancy reaction. It is recommended that you first use the early pregnancy test paper to detect yourself. If the test result is positive, go to the hospital gynecology department in time.