Normally when a woman is pregnant, she stops having her period. If pregnancy is detected but menstruation still occurs as usual, then consider that it is not normal menstruation and may be caused by biochemical pregnancy, pre-miscarriage, cervical disease, and so on.
1. Biochemical pregnancy: This is a pregnancy in which the sperm-egg union does not take place in the uterus. Because of the pregnancy, there will be hormonal changes in the body, resulting in the pregnancy can be detected, but the fertilized egg does not have a bed, it can not develop normally, and finally lead to miscarriage.
2. Pre-eclampsia: due to embryonic abnormalities, maternal factors, etc., leading to signs of pre-eclampsia such as vaginal bleeding, and the need for timely birth control. If the bleeding increases, there may be inevitable miscarriage.
3. Cervical diseases: pregnant women with cervical polyps, cervical cancer and other cervical lesions, bleeding from the lesions after pregnancy due to the influence of embryonic development, need timely treatment.
Women who still experience vaginal bleeding after pregnancy need to seek timely medical examination to clarify the cause of the disease and treatment under the guidance of the doctor.