Hi mommy kung Oct EDD, kailangan may contribution / hulog ka at least 3 months from Jan to June. You need to know your semester of contingency.
I have a blog post about it to read on further https://momasquadph.wordpress.com/2021/04/18/semester-of-contingency-determine-the-months-valid-for-sss-maternity-computation/
You can still pay para sa Q2 April to June (make sure hindi lalampas ng June ang payment).