Me and my husband are trying one more time for a boy

K so I have two kids and each pregnancy has been differnt but me and my husband are trying one more time for a boy now my quiestion is my last period was june 26 it was 1 day early and only 3days and very light like pantyliner only and hardly even touched but my periods r usualy 7 days very heavy and I cramp so bad I cry laying down but not that time at all now I'm neasua a lot craving a lot very moody and emotional and can't stay away from the bathroom now with my first daught my hcg wasn't high enough so it never read I was pregnant doctors said I wasn't I got light periods but knew something was wrong so went for a ultrasound and I was 6 weeks pregnant now with my second I missed my period by 3 days and went to the doctors and my hcg read I was pregnant and I was 4 weeks I get bad sickness with both so I'm thinking I am but I'm not due for my next period tell july 23 is it to early to test or should I wait to see only reason I'm concered is cause I'm going to florida and I'm a big rollercoster girl so I don't want to just blow it off and just go on them