I would question assumption [2]. For example, all Foreign Domestic Workers are required to have 6-monthly medical examination http://www.mom.gov.sg/passes-and-p

I would question assumption [2]. For example, all Foreign Domestic Workers are required to have 6-monthly medical examination http://www.mom.gov.sg/passes-and-permits/work-permit-for-foreign-domestic-worker/eligibility-and-requirements/six-monthly-medical-examination http://www.mom.gov.sg/passes-and-permits/work-permit-for-for...