From the references of the article above:

Does Health Care Cover Abortion or Not? Fact Checking the Fact Checkers

To understand requires us to take a journey into the legislative weeds but here’s my bottom line: those who claim abortion clearly is covered and those who say it clearly isn’t are both wrong.

Rape, Incest and Life of the Mother. Let’s start with the most clear-cut issue. The House legislation would require that the public health care option government cover abortions in the cases of rape, incest or the life of the mother.* This is relatively non-controversial because even currently extant restrictions on federal funding for abortion (such as the Hyde Amendment) allow for this exception.

Can Cover vs. Must Cover vs. Probably Will Cover. When advocates claim that the “public plan” - a government-administered health care option — does not cover abortion, they’re being literally accurate… but slippery. The two main bills (so far) do not, in fact, require a public option to cover abortion. However, they don’t prohibit abortion coverage either, instead leaving it up to the Secretary of Health and Human Services to decide, later, whether abortion would be included in a basic benefits package.

Pro-life activists say that if abortion can be covered, it will be covered. It’s certainly not an unreasonable prediction, given that the Secretary and the President are both pro-choice (though neither side talks about the flipside: when President Palin is in the White House she could reverse the policy through a simple executive order).