Hi Dr. Purushottam welcomes you to HCM virtual clinic! Thanks for consulting at my virtual clinic. I have carefully gone through your case, and I think I have understood your concern. I will try to address your medical concerns and would suggest you the best of the available treatment options. 1} Accuracy of fetal weight is 10% more or less 2]Grade 3 placenta means . it is nearing its functional capacity and your pregnancy is nearing term. 3] Fetus is in cephalic presentation means, baby head is entering in the pelvis. you stand god possibility to be allowed to go for vaginal delivery trial. 4] Just keep watch on your diet, avoid refined sugars, deep fried foods, junk foods,; eat variety of fruits, fresh salads. Have regular exercise- walking , limb movements. 1 kg weight gain in a week time is bit more for you. It s ok for baby to have gained 500 gm . Wish you a healthy pregnancy outcome. I hope my answer helps you. Thanks. You can write again in case of any query or follow up. Wish you good health. Regards