I am 26 weeks pregnant, scan showing placenta is posterior grade 1, 3.7 cm away from OS. Is this called low lying placenta.What should I do to avoid,any pregnancy complication?

A. in low lying placental condition.., placenta is 2-3.5 can away from cervical os and in 90%cases migration occurs till completion of third trimester. grade 3 and 4 have more complications resulting in emergency c section but in your case its grade 1 and there's no need to worry much