I Am 30yrs Old , Did D&C On 9/8/14 Due

I am 30yrs old , did D&C on 9/8/14 due to missed abortion (6wks primi), done TORCH screening on same month Toxo igg -159.4Iu/mligm-neg taken Tab Rovamycine Bid for 3 months (Dec-Feb), then repeated screening on may last showing Toxo igg 201Iu/ml igm - neg, Rub-igg -neg igm -neg, cmv igm neg igg 3.5 test was done on different countries . We did not tried until now. Pls give me ur valuable opinion for a safe preg & what treatment I need to take