Hi i am 7 month pregnant mera weight 80 kg hai 5 th and 6 th month me b itna hi tha and 7th me b itna hi hai koi problem to ni hai isme ?

Since you are already above your normal weight it's fine to not gain weight. As long as the baby is developing well there is no cause for concern. Your body is simply compensating for the excess weight by not gaining weight during pregnancy.