What Causes Vomiting, Nausea, Frequent Urination And Tenderness Of Breast?

I am male D.O.B 3rd july 82, married in last December, my partner D.O.B is 8 july 1989. her periods normaly start by the end of every month and remain for 6 days. But after marriage her she dont hav periods for two months with negative urine and blood test bt all other signs of pregnancy shows such as vomiting, nouzia, urination, tendernes of breast. Dr says its a sign of pregnancy but after two months very heavy periods start. aftr tht we agan sex n again periods start aftr two months. Then we start sex from 20 june n her periods dates wz 29 which skip.. with negative sign of urine test. We are confused what to do. In past i was a smoker n dr suggest me to stop it ..... n also have ed problem some time i use to take vigra . Pl sugest me what to do . We are worried .