Abortions have fallen to their lowest rate since the Supreme Court enshrined it as a constitutional right in 1973, according to a new report by the Guttmacher Institute: 16.9 abortions for every 1,000 women between 15 and 44, versus 16.3 per 1,000 women back in 1973. Why this is happening is another matter. Cue the media debates.

Guttmacher offered a few explanations. One was the improvement in contraceptives including IUDs. Another was the well-known deferral in childbearing by many couples. Still another was the rise in early abortions induced by chemicals, from six percent of all abortions in 2001 to 23 percent in 2011.

You can probably guess one reason the institute didn’t consider: Because a lot of women might consider it wrong. That may be because of leakage from its activism wing. As its own research announcement said: