When should I try again ?

Steph

Had a miscarriage confirmed on the 10th of Feb took tablets to move the miscarriage on the bleeding lasted less then 24hours now on the 17th March and still getting positive test they are lighter but still positive Iv not had a period since miscarriage but it’s due in 6 days, had some unprotected sex around the 9th of March I know the chances or getting pregnant this cycle is unlikely x

Top from yesterday bottom from this morning xxx