The medical term for your period is menstruation. The first period after cesarean section and then again after a week may be ovulation bleeding or breastfeeding menstrual irregularity phenomenon, which is a normal phenomenon. But it can also be caused by gynecological inflammation, which is an abnormal phenomenon. 1. Normal phenomenon. Cesarean section to the end of menstruation after a week again, such as a small amount of bleeding, it is likely to be ovulation after the hormone level drop caused by part of the uterine lining shedding and caused by a small amount of bleeding, generally belong to the normal physiological phenomenon, lasts for 2-3 days will disappear on their own, do not need to be treated. In addition, just after cesarean section to resume menstruation, if the hormone levels in the body are not stable during breastfeeding, there may be a short period of irregular menstruation phenomenon, usually about 2-3 months, hormone levels stabilize the menstruation will become regular, you can observe for the time being. 2. Abnormal phenomenon. The first time you have menstruation after cesarean section, and then again a week later, it is likely that it is not menstrual blood, but irregular bleeding caused by cervicitis, cervical polyps or cervical cancer, etc. It is usually accompanied by symptoms such as increased secretion, abdominal pain or contact bleeding at coitus. Cervical screening and colposcopy should be perfected, and if there is any abnormality, corresponding treatment can be carried out according to the cause, such as abnormal bleeding caused by cervical cancer, timely surgery or radiotherapy treatment is recommended. In addition, if bleeding occurs frequently after one week of menstruation, we should be alert to whether it is caused by organic lesions of uterine adnexa or endocrine disorders, which should be combined with sex hormone six and ultrasound examination to give symptomatic treatment.