SSS Maternity Benefit

Question lng po, regarding sa sss makkapag avail pa poba aq nun kc last year employed aq then nag resign january 2019 ang last contribution,. Sa sept. Po ang due q balak q po sna mag voluntary nlang sa contribution, possible pa kaya na magrant un if hhabulin q ung mula January this year upto this month? Thank you in advance po ☺️