PCOS.. weight & my story

Lisa
Hi,
Got diagnosed with PCOS 2 weeks ago, I already have a 9 month old daughter & I conceived her quickly within 2/3 months of coming of the pill.. 
I've always been overweight.. when I conceived my daughter I was around 185lbs & 5ft 6. So not small at all! 
It took 6 weeks for my first natural period after the pill & like I said I got pregnant within 2/3 months ..
I breastfed my daughter for 6.5 months. So currently not fed her for 10/11 weeks now & no sign of period what so ever 😪😪..
We're TTC Baby 2 & it's killing me..
My weight right now is 205 lbs 😢😢.. I've lost 20 + lbs since Christmas..
Would loosing weight help regulate my periods?? Anyone had success once they've dropped some weight??
I do realise I'm very lucky to have my daughter with PCOS, n I didn't even know I had it back then..
Any tips??? 
Thanks