I am so hungry all the time and seem to always want ice cream or chocolate cake.. I'm so tired of…

I am so hungry all the time and seem to always want ice cream or chocolate cake.. I'm so tired of seeing the numbers on the scale go up :/ last time I gained 7lbs in 2 weeks will see tomorrow How much I've gained in 2 weeks :( there is just no more room and I have 11 to 12 weeks still left ....I could cry and I can't help the cravings :( :( :( Idk what to do