My OB let me to do the swab test at 36 weeks and 3 days period, but I worry n masyado sya maaga so I

My OB let me to do the swab test at 36 weeks and 3 days period, but I worry n masyado sya maaga so I decided na sa 38th week na lang mag pa swab kasi after two weeks ma expire na swab test, ang mahal pa naman. Tama kaya itong choice na to? Thanks. #1stimemom #firstbaby #advicepls