Pregnancy intentions and contraceptive uptake after miscarriage.

OBJECTIVE

To identify factors associated with contraceptive uptake among participants in a miscarriage management clinical trial.

STUDY DESIGN

We performed a secondary analysis of a multi-center, randomized controlled trial of medical management regimens for miscarriage between 5 and 12 completed weeks. Pregnancy intention was measured by patient report after miscarriage diagnosis. Participants were offered contraception in accordance with standard clinical care once their miscarriage was completed. We analyzed participants as a cohort and fit a multivariable model to describe demographic characteristics and pregnancy intentions independently associated with contraceptive uptake.

RESULTS

Of 244 participants with available contraceptive outcomes, 121 (50%) stated that this pregnancy was planned, and 218 (90%) stated that they had planned to continue the pregnancy to term. Ninety-seven participants (40%) initiated contraception: 33 (14%) selected a long-acting reversible method, 44 (18%) a short-acting reversible method, and 20 (8%) condoms or emergency contraception, while 147 (60%) declined contraception after miscarriage completion. In the multivariable model, unplanned pregnancy (aRR 2.13, 95% CI: 1.45-3.13) and lack of intention to continue the pregnancy (aRR 1.61, 95% CI: 1.18-2.20) were independently associated with contraceptive uptake. Of participants who declined contraception, 85 (57%) did so in order to conceive again. Nearly one-quarter of participants who declined contraception described the index pregnancy as unplanned, but after miscarriage planned to conceive a new pregnancy.

CONCLUSION

Patients with unplanned pregnancy who miscarried were twice as likely to initiate contraception as those with planned pregnancy, however pregnancy intentions sometimes changed after miscarriage.

IMPLICATIONS

Miscarriage management represents an important opportunity to clarify pregnancy goals and provide contraceptive counseling. Although unplanned pregnancy correlates with contraceptive uptake, we do not recommend using this clinically to predict contraceptive need. Future research should examine how best to measure pregnancy intention and its relationship to the experience of miscarriage.