I'm on Weight loss diet plan

I'm married since two years trying to concieve... but still not a single positive pregnancy test...

Apart from that I gain almost 7kg after my marriage... I thought losing weight would help me concieve ...so I'm on my diet it's a 13 days diet plan and today is my 2nd day.... I hope I accomplice my goal to lose 8 kgs at least...

- Height =5'3"

- Age=27

- I was 56 kg before marriage

- & now 63 kg

- goal =55 kg

Any suggestion ??

what should be my weight??

according to my height and age?