If you have had the unwanted 72 pill, a pregnancy is quite unlikely. However, if your next period is delayed by over a week, you could get a urine
pregnancy test done. The labial swelling will reduce subsequently. You can try cold compress on the labia, for symptomatic relief. Keep the vulval area clean and avoid tight or synthetic underwear. You should see a gynaecologist for the vaginal discharge. If infection is suspected, it is treatable with antibiotics.