(NEWSnet/AP) — More than six in 10 of the abortions in the United States last year were done through medication, up from 53% in 2020, new research shows.

The Guttmacher Institute, a research group that supports abortion rights, said about 642,700 medication abortions took place in the first full calendar year after the U.S. Supreme Court overturned Roe v. Wade. Medication abortion accounted for 63% of abortions in the formal health care system.

The data was released Tuesday, a week before the high court will hear arguments in a case that could impact how women get access to mifepristone, which is usually used with another pill in medication abortions.

Guttmacher’s data, which is collected by contacting abortion providers, doesn’t count self-managed medication abortions that take place outside the health care system or abortion medication mailed to people in states with abortion bans.

Guttmacher data shows that medication abortions have risen steadily since mifepristone was approved by the Food and Drug Administration in 2000. The drug, which blocks the hormone progesterone, also primes the uterus to respond to the contraction-causing effect of another drug, misoprostol. The two-drug regimen is used to end a pregnancy through 10 weeks gestation.

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