Baby weight 1.7 kg at 8 months 10 days duration. this is normal or low? At that time baby's lungs development 2 injection given. that is required or not?

A. Hello good evening !! Weight at 8 months will be around 1.7-2 kg ,no worries. By the mid of 9th month weight gains . As the injections are given for lung development in foetus when it is observed any risk factors . These injections are given to mother's to help in improving baby's lungs function and to avoid premature delivery.