As in clear or creamy discharge? This is very normal - you often get more of it when you're pregnant due to the hormones making your body produce more of it
A baby
after your first 12 weeks
The first trimester begins from the moment you conceive until the 12th or 13th week of pregnancy.
No, they aren't, it has more to do with allergies than an actual cold. Take a decongestant to help.