The hormonal congruency hypothesis suggests that changes to a woman’s contraceptive pill regime since commencing a relationship may affect that relationship, or her attraction to her partner. A large replication study carried out recently did not find any evidence to support this hypothesis.

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The hormonal congruency hypothesis suggests that changes to a woman’s contraceptive pill regime since commencing a relationship may affect that relationship, or her attraction to her partner. A large replication study carried out recently did not find any evidence to support this hypothesis.