Hi, Can I Answer Your Health Question? Please Type Your

Hi, can I answer your health question? Please type your question here..Hello, my period was 27th June I had unprotected sex on .6th July, took postinor 2 on 8th July, had another sex on 13th July and took postinor 2 on 14th July and another period comes on the same 14th July, is this normal please, thank you