SSS MATERNITY NOTIFICATION - EMPLOYED

Hello po. Ask ko lang until when lang yung sure na pwede mag file ng SSS Mat 1? Employed po kasi ako pero yung HR namin dipa pinafile yung SSS mat notif ko. Nabasa ko kasi sa site 60 days after conception pero si HR sabi nya don't worry. 🤔 14 weeks pregnant here. TYIA