I'm a little confused

Candice • My name is Candice I love in glasgow and have a wonderful supportive partner and a beautiful daughter age 3 xxx
Only 2 days ago I started getting a show like mucus even though I'm just off of only a 3 day long period and I've already done tests and they have been negative I also already have a child who will be three in November any ideas or help on what this might be??? Thnks xxx