The difference between menstrual disorders and pregnancy

Menstruation disorder, that is, irregular menstrual cycle, although often there are menstrual delays, but will not show symptoms such as nausea, vomiting, lethargy and other early pregnancy symptoms, test urine and blood HCG levels in the normal range, B-ultrasound will not show pregnancy performance, but for women eager to be pregnant, sometimes menstrual delay will also show similar early pregnancy reactions, such as nausea, vomiting and other "false pregnancy" symptoms, but after testing and B-ultrasound can rule out pregnancy. Normal menstrual cycle of women after pregnancy will show menstrual delay, most patients will show nausea, vomiting, lethargy, fatigue and other early pregnancy symptoms, urine early pregnancy test positive, blood HCG levels increased, B ultrasound can be found in the uterus pregnancy sac.