Not reading the rest for lack of time... so I hope I'm not repeating:
I've had SEVERAL miscarriages. One which nearly killed me. In nearly every case where I had a D&C (instead of carrying the dead baby until my body flushed everything out... which does NOT always happen, many time a woman will go to term and deliver stillborn OR the miscarriage can be life threatening to let it carry out on it's own -placenta ripping away from the uterine wall which causes hemorrhaging and death)... anyhow in nearly EVERY case, the D&C has been referred to as an abortion in the paperwork.
It's a computer thing in most cases (as in they type the code and that's the word that gets printed out), and just a familiarity in language thing in other cases. Because a D&C is an abortion (whether the fetus is alive or dead), and an abortion is a D&C.
It's the SAME procedure, regardless of whether the baby/fetus is alive or dead, or whether you're in the middle of miscarrying (which can go fast in a couple days, or even take weeks/months), or are "waiting" for a miscarriage of a dead fetus.
If she told you it was a miscarriage, and she feels strongly about abortion, and was in any of the cases where a D&C are necessary (life saving, middle of a miscarriage, or awaiting a miscarriage), dollars to donuts she told you the truth.
I don't tell people I aborted a dead fetus, I tell people I miscarried.
I don't tell people that my placenta was ripping away from the wall and I nearly died along with the dead fetus so I aborted, I tell them I miscarried.
When it gets technical, I don't tell people I aborted EVER, I tell them I had a D&C.