Hormonal contraceptives may subtly reshape how partners feel about each other. Research suggests that pills which flatten the natural ebb and flow of fertility can dampen shifts in attraction that typically occur across the menstrual cycle, potentially altering initial mate choice.
（新华社北京2月25日电 记者朱基钗、胡浩、丁小溪、高蕾、胡梦雪）
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