Maybe tmi

Becky • Due 1st dec💖 Baby girl👣
Me and my so had sex this morning, anyway we went back to sleep and a like an hour or so later I woke up and I was very wet 'down there' 
It has no smell and no colour, there wasn't a massive amount but it was all over the tops of my legs? 
I'm 33 weeks, anyone know what this could be?