WASHINGTON - Massachusetts officials are closely monitoring an abortion funding ban in the sweeping health care legislation before Congress to make sure that it does not restrict women’s access to abortion coverage in the state. Abortion is a covered service for low-income Massachusetts women enrolled in subsidized insurance plans available since 2006 through the state’s landmark health care law.But the bill that squeaked through the US House late Saturday would prohibit private insurance plans from covering abortion if they accept federal subsidies. It also bans abortion coverage in the new government insurance option. State officials say there are too many...