Please don't worry dear because when I was pregnant I have lost approx 8 kg weight in my entire pregnancy but my baby was born with 3.2 kg of weight So keep checking if your baby is developing well or not.
Haan dear aapko pehle doctor se consult Karni Hogi,I am.sure Woh aapki dose zaroor badhayenge ..Mera bhi aisa hua tha..25 mcg se start Kia tha Jo 50.mcg Karna pada baad me