Congratulations for pregnancy dear due to hormonal changes vaginal discharge a common in pregnancy but vaginal itching s due to vaginal infection.sane happens to me too .so consult to ur dr nd take medicine according to ur dr. Prescription..take plenty of liquids nd water,avoid oily spicy junk food, wear cotton panty ,change panty twice a day..use v wash too its gives u relief too I also try all these nd take medicines too .take care dear..