My wife lmp was 8th apr we have done home pregnancy test on 15th may it was one dark and one light line. We went to gain next day and she had done some test hcg was 69.3 and she said it is positive pregnancy and re tested after 48 hrs it was down as 49.3 gynae advised us to wait. Nothing explain us. Is my wife still pregnant. No bleeding or cramps sign yet pls advise.