Good way to lose weight goo!!

Erica • I recently had a miscarriage and we are trying to have a baby we have been trying for about 5 months praying and hoping
Been ttc after are mc feb 2015 and Doctor told me to lose some weight and see if that help iv been trying so hard to lose weight I started at 205 I'm down to 194 but she wants me to lose more disappointed in myself I was wondering if anyone has a good diet or work out I could try I cut all soda out only drink water and portion my food help please