let me know what should I do for baby weight gaining? she is not laching my breast milk so I use manual pump..

A. Hai good morning !! Generally babies gain 400-900 gm per month by 5-6 month they double their birth weight. Check if baby gaining weight ideally the average weight range 4.5 -7 kg. Until 5 complete months exclusive breast milk or formula milk is suggested every two hours . If bbay having latch issues or nipple issues you can use nipple shield for easy latching available in medical stores,baby stores or online ..