Hi mama! Hindi ako eksperto sa SSS computation kaya hindi ako masigurado ng exact amount, pero from what I know, ang benepisyo mo ay based sa average ng contributions mo within a certain period bago mag-file ng claim, so yung additional payments mo from July to September should help increase that average. I'd suggest talaga na mag-inquire ka directly sa SSS office or call their hotline para sa accurate computation, they can give you the exact figure based on your contribution history, at least makakapag-plan ka na properly! One of my mum friends din ay nag-file ng maternity benefit at sinabi niya nakita niya agad sa SSS portal kung magkano talaga ang makukuha niya, so check mo rin if you have access don para makita the breakdown.