Similarly the oxytocin levels of the couples correlated positively.
In women, oxytocin levels are at their highest during sexual activity.
The GG allele is connected with oxytocin levels in people.
In normally raised children aged about 4 1/2 years, they found, oxytocin levels rise after half an hour of physical interaction with their mothers.
Lower oxytocin levels before birth were associated with a greater risk of postpartum depression.
Breastfeeding soon after giving birth increases the mother's oxytocin levels, making her uterus contract more quickly and reducing bleeding.
Humans with higher oxytocin levels are more likely to trust other people.