Hello i am married since last 6 months my wife periods usually starts from 28th -29th of every month but last month's april it was due till 6th of may after two days of her missed periods we had a i can pregnancy test kit in it was 2 alphabet c&t up &down only c was a sign of negative but both c&t it was positive it resulted positive but on t it was light red colour line & on c it was fully dark red we called our family doctor she said just wait fr more 2-3days nd then again make a test & also advised of not having sex but after 6days of missed periods her period started but frankly in between that we had a sex. Please reply m confused.