8 weeks pregnant a little worried after 2 chemical pregnancies everything scares me

I am a little nervous when I was 6 weeks I was getting really bad nausea at night only & extreme fatigue & sore breasts now I’m 8 weeks cramping on and off (mild) & getting a LITTLE sick in the morning for maybe 20 min or so peeing SOOOOO MUCH & a little tired, sore breasts is this normal I feel like my symptoms are supposed to be way more severe saw baby’s heart rate at 6 weeks 4 days but still worried