YAY Congrats on the all clear to TTC!!! I weighed the same weight as you at the start of all my pregnancies. My first pregnancy my OB said I was high risk for Gestational diabetes and sent me to a dietician to prepare a suitable low GI eating plan for myself and the baby and was monitored through the pregnancy. I only put on 3 kgs from the start of pregnancy to when I gave birth. I didnt get gestational diabetes then or with my other pregnancies. Though all of them I only gained 5kgs at most and then am a lower weight after the pregnancies than I ever was. Goodluck with TTC!!!