help !!!!!! worried mommy

Justine • Navy wife• Mama to a handsome 5 yr old and my beautiful baby girl 👨‍👩‍👧‍👦⚓❤

is this normal this is my 2nd baby. according to my lmc I'm supposed to be today 8 weeks. the ultrasound was taken 8/18/17 and the Dr

said I'm 6 weeks so today I'll be 7 weeks. but idk if this is normal. my uterus is much bigger than my first.