Need suggestions with my rainbow baby

Sakina

History :

I miscarried very early in about 5-6 weeks in August and my doctor advised to take folic acid and raricap for the next three months and try after three months.

Got my first AF on 9th of sept, according to glow, i was ovulating on 26th September, but we BD on 16th,18th,20th of sept (got very thick egg white CM on 18th)

Symptoms:

I started experiencing shortness of breath from the last few days used to get extremely tried by just climbing the stairs.

Meanwhile i also kept checking on my cervix, it was between low to medium the last few days and medium-high now(not quite high). Its not soft as it should be, not very hard either.

I took a HCG test this morning and saw a faint line, I am super excited but I dont want to do the mistakes i think i did last time.

(i was late by 12days last time and decided to check, which showed a very dark positive on hCG) seeing the positive test, i immediately ran to my doctor as it was my first time and asked her to cross check, took opinions from two doctors. They did a transvaginal US to give me a confirmation, after which I started bleeding and miscarried.

PLEASE PLEASE PLEASE HELP ME with the do’s and dont’s.

I want to do everything right this time.

I do not wish to visit a doctor until I am 8 weeks plus.