Need advice

Hello soon to be mommies and mommies

I’m kinda have a scare problem here 😭

I found out i was pregnant November 12,2020

Lost my beautiful baby boy December 2,2020

And February 8th my last period date i started feeling really bloated at first i thought it was a UTI test came back negative for it i was still confused went to take a pregnancy test came out negative went to the doctors took a blood and urine pregnancy test my hcg level was 1 it use to be 0.01 so i was told they didn’t know if i was pregnant or not now here it is march 24,2021 and I’m Bloated having lower back pains eating a lot more then usually using the bathroom all day and all night more then i usually use the bathroom been gassy been tired all the time now my next period is in 6 days my nipples are sensitive and breast are growing more in size what should i do ?