Anyone else scared?

Tiffany • About to get divorced with two children and prego with baby #3 eta 6/17/15
I'm only 5 weeks and 4 days along and I'm a little freaked out. Don't get me wrong my husband and I planned this child but I feel like I can't exhale until I A. See the doctor at 8 weeks and B. Get past 12 weeks.? anybody else feeling scared?