Weight loss boosts fertility?

Kelly 👧🏼👼🏼👶🏼👶🏼 • Married 👰🏻 (2008), 1 DD 👧🏼💖(2012), 1 DS 👼🏼💙(became an angel 2/26/16), spontaneous B/G twins 👶🏼💙👶🏼 💖(2017)
Has anyone found that losing 5-10 pounds has helped them to get pregnant? 
I've made some changes to my diet for the past 3 weeks and have lost 6 lbs. truly hoping that this does the trick! I've been TTC #2 for 9 months now!