Talk to Gynecologist on Pregnancy And My Weight

Brief history of mine LMP- 16 dec Current GA- 16 weeks medication - iberet folic and cac1000 daily one tab height 5.6 weight before pregnancy 68kg and now at 16week weight is 69 kg

i want to know my diet is good i have proper 3 times meal including desi ghee paratha in breakfast, proper lunch and dinner including rice and roti with curry and in between meal i take fruits and glass of milk on daily basis. but still my weight situation is this plz suggest what should be done . i had last check up on 20 march and doctor said your baby is healthy and fine. and its about the end of 4 month still the baby bump is not that visible . is there anything to worry? plz guide