Suddenly very little menstruation may be pregnant, but does not exclude the possibility of non-pregnancy, you need to go to the hospital for examination to determine whether the pregnancy, can not be based on the small amount of menstruation to determine pregnancy.
1. pregnancy: some women usually have regular periods, but after unprotected intercourse, they suddenly have a low menstrual flow, for example, only a little, or not for a day or two, it is recommended to go to the gynecology department of the hospital to check the blood HCG (human chorionic gonadotropin) to determine whether or not they are pregnant, and to check the ultrasound to see whether or not there is a gestational sac in the uterine cavity about 20 days after the coitus.
2. Unpregnant: Suddenly having very little menstruation may be caused by a variety of factors, common factors include emotional stress, environmental changes, diet, medication, etc.; the case may also be the presence of uterine adhesions or cervical adhesions resulting in menstrual blood stagnation in the uterus caused by.
Whether or not you are pregnant, further examination is required to clarify. It is recommended that women of childbearing age who suddenly experience very low menstrual flow should go to the hospital for timely examination and make judgment based on the results of the examination.