Every female has a different period cycle. Of some it lasts for 3-4 days and for others it may be quite longer than that. Normally, a healthy period cycle is supposed to last for 5-7 days. But it can sometimes be a few days longer or shorter. Some females have irregular menstrual cycles. But a period that goes as long as 10 days, is not normal. It may be a cause of other possible conditions mentioned below:
Pregnancy:
Unexpected, long or abnormal periods are among the first signs of pregnancy. It may be experienced along with other symptoms such as nausea, morning sickness, mild bloating, etc. If a female has had unprotected sex recently and is having a long period with light bleeding, she should consult a gynecologist as it may be a sign of pregnancy.
Abnormal Uterine Bleeding.......https://cutt.ly/zFBn7U