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The study investigates how changes in hormonal contraceptive use affect relationship quality and love intensity.

June 18, 2026Scientific ReportsOpen Access

Hormonal contraceptive use is associated with love intensity across 51 countries

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The study investigates how changes in hormonal contraceptive use affect relationship quality and love intensity.
Analyzed data from 2,224 partnered women aged 45 or younger who reported hormonal contraceptive use in 51 countries.
Assessed relationship satisfaction and intensity of love components: intimacy, passion, and commitment.
Employing a weighted model to evaluate the congruency hypothesis on relationship quality.
No robust support for the congruency hypothesis was found.
Participants who changed their hormonal contraceptive use reported slightly lower passion compared to those with consistent use patterns.
The study acknowledged limitations due to being underpowered to detect very small effect sizes.

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Randomized trial examines hormonal contraceptive effects on relationship quality in partnered women, suggesting minimal impact on love intensity.

Kowal et al. (2026) studied this question.

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Randomized trial examines hormonal contraceptive effects on relationship quality in partnered women, suggesting minimal impact on love intensity.