1. you can repeat your urine pregnancy
test after 1 wk or you can go for serum beta hcg
tests which is more confirmative
2. you can have your obstetric ultrasound
once your serum beta-hcg levels reaches 1500 milli-IU. Till then you have to follow beta-hcg every 48 hours to see the doubling of value.
3. Generally persistently weakly positive or non-doubling beta-hcg value indicates a failing or ectopic pregnancy, in which case you need an urgent obstetric consultation.