SSS Maternity Benefit

Hello po Mommies! sino po may idea how much ma receive na benefit if CS? currently voluntary contribution nlng ako since ngresign nko sa work, since January ang binabayaran ko is 1,760 pero tumaas na po nung April to 1,920.. nagtanong ako kanina sa sss staff nung nagbayad ako,ang sabi hindi pa daw approved yung extension of maternity leave law na 105 days, so if ever manganak ako nasa 26k lang daw matatanggap ko.. sino po dito may same na amount ng contribution ko and How much po yung na receive nyo? salamat po sa mkkahelp..