Certain incentives may help those with OUD prevent unintended pregnancy

Contemporary OB/GYN JournalVol 66 No 9
Volume 66
Issue 9

Among women with opioid use disorder (OUD) at high risk for unintended pregnancy, on-site contraceptive services coupled with financial incentives to attend follow-up visits to assess contraceptive satisfaction was a significantly more effective and cost-beneficial intervention than without incentives or with usual care, according to a prospective randomized clinical trial in JAMA Psychiatry.

“Ten years ago, we published a study that found that 86% of a large sample of pregnant women using opioids reported that their pregnancies were unintended. That rate is nearly double that of the general population,” said principal investigator Sarah Heil, PhD, a professor of psychiatry and psychological science at the University of Vermont Larner College of Medicine in Burlington. “This suggested a substantial unmet contraceptive need among women with OUD, but there was very little in the scientific literature about how to address the gap between women’s reproductive intentions and their contraceptive behavior.”

The study consisted of 138 women, aged 20 to 44 years, who were receiving medication for OUD and at high risk for an unintended pregnancy at trial enrollment between May 2015 and September 2018.

The women were randomly assigned to receive 1 of 3 conditions: usual care, such as information about contraceptive methods and community health care facilities (the control group, n = 48); onsite contraceptive services adapted from the WHO, including 6 months of follow-up visits to assess method satisfaction and delivered in a facility colocated with the Chittenden Clinic, an opioid treatment program in Burlington (n = 48); and the same on-site contraceptive services, plus financial incentives for attending the follow-up visits (n = 42).

“The incentives were gift cards, not cash, that progressively increased in value from a low of $15 to a high of $47.50,” Heil said. “Each participant could choose gift cards for retailers that she preferred. But the women were never required to use a method, and incentives were not linked in any way to contraceptive use.”

Follow-up visits occurred once a week for 2 months, followed by every other week for 2 months, then monthly for the last 2 months, “because data shows prescription contraceptive discontinuation is highest right after initiation and then progressively decreases over time,” Heil said.

The percentage of participants with verified prescription contraceptive use at the 6-month end-of-treatment assessment was 10.4% for usual care, 29.2% for contraceptive services without incentives, and 54.8% for contraceptive services with incentives (P < .001). Those effects also were sustained at the 12-month final assessment: 6.3%, 25.0%, and 42.9%, respectively (P < .001).

The percentage of participants with an unintended pregnancy during the 12-month trial was 22.2%, 16.7%, and 4.9%, respectively (P = .03). Each dollar invested also yielded an estimated $5.59 in societal cost-benefits for contraceptive services vs usual care, $6.14 for contraceptive services plus incentives vs usual care, and $6.96 for combining incentives with contraceptive services vs contraceptive services alone.

Clinicians should be aware that many women with OUD at risk for unintended pregnancy are interested in more effective contraceptive methods, including LARCs, but rarely are able to secure them in the current health care system.

“Colocating contraceptive services with an opioid treatment program, with or without the addition of incentives, helps decrease unmet contraceptive need, so we encourage contraceptive service providers to look for opportunities to work with opioid treatment programs in their community,” she said.


  1. Heil SH, Melbostad HS, Matusiewicz AK, et al. Efficacy and cost-benefit of onsite contraceptive services with and without incentives among women with opioid use disorder at high risk for unintended pregnancy: a randomized clinical trial. JAMA Psychiatry. Published online July 14, 2021. doi:10.1001/jamapsychiatry.2021.1715
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