Obesity

Hye Guys, yesterday already meet doctor, get upt and scan, doc said beby its already 5weeks, but only see the 'kantung' and she asked me come back after 2weeks .. then, i got many advice from doctor, such as cut all sugar, no snack, no cake and 'nasi lemak'. .. as i really scare this my 1st pregnancy, my weight 120kg, its make me totally 100% scare the doctor told me about diabetes, highblood.. its that some1 got problem like me? do you have any suggestion for healthy diet, consume any milk or what.. i hope this baby will stay until i giving birth.. i won't lost it.