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In either form, oxytocin stimulates uterine contractions to speed up the process of childbirth. In its natural form, it also plays a role in maternal bonding and milk production. [10] [11] Production and secretion of oxytocin is controlled by a positive feedback mechanism, where its initial release stimulates production and release of further ...
Upon application of pressure to the internal end of the cervix, oxytocin is released (therefore increase in contractile proteins), which stimulates uterine contractions, which in turn increases pressure on the cervix (thereby increasing oxytocin release, etc.), until the baby is delivered.
Oxytocin is released at orgasm and is associated with both sexual pleasure and the formation of emotional bonds. [13] Based on the pleasure model of sexual motivation, the increased sexual pleasure that occurs following oxytocin release may encourage motivation to engage in future sexual activities.
Oxytocin Is Released. Oxytocin is another chemical in the feel good cocktail that orgasm produces and one that affects women more so than men—namely because “when female brains develop in ...
For example, when oxytocin is released during a contraction of the uterus at the start of childbirth, this stimulates production and release of more oxytocin and an increase in the duration, intensity and frequency of contractions. This process compounds in intensity and frequency and continues until the triggering activity ceases.
Oxytocin has a crucial role in the process of milk ejection. [34] After sucking, the release of oxytocin stimulates the myoepithelial cell contraction in the breast, which forces milk to move from the alveoli, via the milk ducts, and towards the nipple. [34] Oxytocin is secreted quicker than prolactin.
Oxytocin stimulates powerful uterine contractions, which trigger labour and delivery of an infant, and milk ejection in nursing women. Its release is mediated reflexively by the hypothalamus and represents a positive feedback mechanism.
Nipple erection during sexual arousal or breastfeeding are both caused by the release of oxytocin. [11] Nipple erection is due to the contraction of smooth muscle under the control of the autonomic nervous system , [ 12 ] and is a product of the pilomotor reflex which causes goose bumps .