Between the lack of sleep and free time, physical, hormonal and relationship changes, and juggling work and other life commitments, many couples find their sex lives take a hit in the transition to parenthood. Continuing through the early years of child rearing, this can have a negative impact on the overall relationship. While spontaneous sex is put on a pedestal in Western society, a new study led by researchers at York University’s Faculty of Health found that encouraging couples with young children to plan sex led to increased desire and frequency.