Your LMP was 28th Feb and HPT test is positive on 1st April.
So you are on 4th wk+
If you have no pregnancy related problems like severe abdominal pain
,more nausea &
vomiting or vaginal bleeding, then you can start visit from 6th/8th wk and continue.
You do USG on 6th/8th wk for confirming pregnancy by viewing gestational sac
with fetal echoes.
**Test to be done during pregnancy:
1) periodically wt check up
2) also check BP
3) urine test for infection,protein,sugar
4) Blood test
for ABO & Rh typing, Hb%.
5) Test for TORCH infection
with HIV 1 &2
All the best.