 [ Symptoms ] what causes eczema [ Disease ] hi if your not on any bc apart from condoms then you have been playing with fire male sperm can be carried in pre cum if you husband had ejaculated before having sex his sperm would be in his urethra and if you were having sex twice in the same night the again same thing all you can do is wait to see if your next period is missed and get a test done do hope this helps good luck