Pregnancy and Maternity Leave Arrangements for Foreign Domestic Helper

There was a Facebook post on a online media shared a news about a female employer taking her pregnant foreign domestic helper to a clinic and threatening immediate termination if she did not have an abortion. This incident has generated a lot of debate, with most comments expressing empathy while others suggested terminating the contract. So, what are the rules surrounding the employment of a pregnant foreign domestic helper and what should employers be aware of?