N 2018, ANA, A MARRIED WOMAN IN HER SIXTH (6) MONTH OF PREGNANCY, WAS CROSSING A STREET WHEN SHE WAS SUDDENLY HIT BY A CAR BEING RECKLESSLY DRIVEN BY BEN. AS A RESULT, ANA SUSTAINED SERIOUS INJURIES AND FURTHER SUFFERED AN UNINTENTIONAL ABORTION. 

ANA WAS HOSPITALIZED FOR TWO (2) MONTHS, DURING WHICH SHE INCURRED PHP 400,000.00 IN MEDICAL FEES. HER EXPENSES WERE ALL DULY SUBSTANTIATED BY OFFICIAL RECEIPTS. DURING THE TWO (2) MONTH PERIOD OF HER CONFINEMENT, SHE WAS UNABLE TO REPORT FOR WORK AND EARN ANY SALARY, WHICH WAS ESTABLISHED AT THE RATE OF PHP 50,000.00 PER MONTH. 

ANA THEN FILED A CIVIL CASE FOR DAMAGES AGAINST BEN. BASED ON THE CASE FILED BY ANA, WHAT IS THE SOURCE OF BEN'S OBLIGATION TO HER AS A RESULT OF HIS ACTS? EXPLAIN WITH LEGAL BASIS.