I have an irregular period
So I am due 18th april
I had sex randomly with someone I know on 9th july
I was talking to someone but we didint have sex till 12th July and then we had a relationship for 3 months
I found out 27 28th july I was pregnant with 2 dark lines went to my scan in 18 October saying at my 12 week scan i am nearly 16 weeks along
When would I had intercouse to be that long what date between that ? I had irregular period please help