By Amy Norton
HealthDay Reporter
WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Giving teenage girls free birth control -- especially long-acting implanted devices -- could slash pregnancy and abortion rates to well below the current U.S. average, new findings suggest.
In a study of 1,400 teenage girls, researchers found that counseling and free contraceptives substantially cut the girls' rates of unplanned pregnancy and abortion. Over three years, their annual pregnancy rate averaged 34 per 1,000 girls -- versus a rate of 158 per 1,000 among all sexually active teenage girls in the United States.
Meanwhile, the abortion rate was 9.7 per 1,000 girls in the study, compared to a national abortion rate of 41.5 per 1,000 sexually active girls, the researchers report in the Oct. 2 issue of the New England Journal of Medicine.
"What we're seeing here are extraordinary declines," said Bill Albert, chief program officer for the Washington, D.C.-based National Campaign to Prevent Teen and Unplanned Pregnancy.
Albert, who was not involved in the research, pointed to a key element of the study: Girls received counseling that emphasized the safety and effectiveness of intrauterine devices (IUDs) and contraceptive implants -- and most of the teens opted for those types of birth control.
IUDs and implants are substantially more effective than the Pill or condoms, which are currently the top birth control choices among U.S. teens, according to the American Academy of Pediatrics (AAP).
The "magic" of IUDs and implants, according to Albert, is that they are put in place and then last for years -- or until a woman decides to remove them. "These types of birth control are 'set it and forget it,'" Albert said. "They don't rely on perfect use."
And from the standpoint of preventing unplanned pregnancies, the devices "have the potential to be game-changing," Albert said.
The new report comes on the heels of new recommendations from the AAP, advocating IUDs and implants as the first-choice contraceptives for teenagers.
Gina Secura, the lead researcher on the new study, welcomed the AAP guidelines, which came out this week.
"For so long we've dismissed these types of contraceptives for teenagers, thinking girls won't want them or will find them too complicated," said Secura, a researcher at Washington University School of Medicine in St. Louis.
But, she said, her team's findings show that teenagers are willing to use IUDs and implants. Even more importantly, she added, the benefits are clear.
According to Planned Parenthood, IUDs are implanted in the uterus, where they release small amounts of either copper or the hormone progestin. The contraceptive implant, about the size of a matchstick, is inserted under the skin of the arm, where it releases controlled amounts of progestin.
The hormonal IUD (sold under the brand name Mirena) can prevent pregnancy for five years, while the copper version (ParaGard) works for about 10 years. The contraceptive implant (Implanon, Nexplanon) lasts for three years, according to Planned Parenthood.
According to the U.S. Centers for Disease Control and Prevention (CDC), between 0.2 percent and 0.8 percent of women who use an IUD will have an unplanned pregnancy within a year. That rate is just 0.05 percent with an implant.
In contrast, about 9 percent of women on the Pill have an unintended pregnancy each year. Condoms, as people typically use them, are even less effective -- with a pregnancy rate of 18 percent to 21 percent, according to the CDC.
Still, only about 5 percent of U.S. teens currently use IUDs or implants, according to background information in the study. Secura said that going into this study, her team thought price was the major obstacle: IUDs cost $500 to $1,000 upfront, while contraceptive implants range from $400 to $800.
But the researchers quickly found out that many young women simply don't know much about the devices.
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