Love Hormone - Oxytocin: Meaning, Impact & Functions

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Oxytocin is a hormone produced by the pituitary glands, a small structure at the base of the brain. It is also referred to as the "cuddle hormone" or the "love hormone" since it is generated when individuals snuggle or socially bond. Even engaging with your dog might result in an increase in oxytocin levels. Oxytocin can also amplify memories of failed bonding, such as when males have terrible ties with their moms. It can also make individuals less welcoming of others who they perceive to be outsiders. In other words, if oxytocin helps you experience cuddly or wary of people is determined by your surroundings. Oxytocin is a peptide generated in the brain that was initially discovered for its function in childbirth and breastfeeding.

Key Terms: Oxytocin, Motherhood, Cuddle Hormone, Childbirth, Hypothalamus, Pituitary Glands, Breastfeeding, Love Hormone, Uterine Muscles, Testosterone


What is Oxytocin?

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The brain produces oxytocin, which is then delivered into the circulation by the posterior pituitary. Oxytocin causes the uterine muscles to contract and tends to increase the manufacturing of prostaglandins, which causes the contractions to become even stronger. Manufactured oxytocin is occasionally used to initiate labour if it has not begun spontaneously, or it can be used to enhance contractions to help in birthing.

Furthermore, synthetic oxytocin is frequently used to hasten placental delivery and lessen the risk of excessive bleeding by tightening the uterus. During breastfeeding, oxytocin encourages milk circulation along the ducts of the breast, enabling it to be expelled by the nipple. Oxytocin is also found in men, where it aids in sperm production and testosterone synthesis by the testes.


How is Oxytocin Controlled?

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Oxytocin synthesis and secretion are regulated by a favourable feedback system in which the hormone's release induces an action that promotes more of its own release. Whenever the uterus contracts during delivery, oxytocin is produced. Contraction severity and regularity increase in this manner. The milk-ejection reflex includes positive input as well. While breastfeeding, activation of the nipple increases oxytocin synthesis and release into the circulation, causing milk to be released into the breast. The positive feedback cycle continues until the infant no longer suckles.

The production of oxytocin during labour is likewise self-limiting; the hormone is no longer released once the baby is born. the production of oxytocin throughout delivery is likewise self-limiting; after the baby is born, the hormone is no longer released.

Read More: Sex Hormones and Reproductive Functions


What Happens If a Person Has Too Much Oxytocin?

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At the moment, the consequences of possessing too much oxytocin remain unclear. High levels have indeed been related to benign prostatic hyperplasia, a disorder that affects over half of men over 60 and affects the prostate. Thus, this may make it difficult to pass urine. It is acceptable to diagnose this disorder by adjusting oxytocin levels; however, additional study is required before any potential remedies are accessible.

Read More: Difference between Hypertrophy and Hyperplasia


What Happens If a Person Has Too Little Oxytocin?

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Similarly, it is still unknown whether there are any consequences to having too little oxytocin in the body. A nursing mother's absence of oxytocin would impede the milk-ejection response and therefore breastfeeding. Low oxytocin concentrations have been related to autism and autistic spectrum disorders, with impaired social performance being a fundamental component of these diseases.

Some researchers believe oxytocin might be utilized to treat these conditions. Furthermore, decreased oxytocin levels have been associated with depressive symptoms, and it has been advocated as a therapy for depression.

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How to Increase Oxytocin?

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Depression symptoms, especially postpartum depression, have indeed been related to low oxytocin levels. Experts have been investigating whether administering oxytocin in the form of a tablet or nasal spray may help to alleviate anxiety symptoms, but the findings have been unsatisfactory thus far. Exercise is a much more potent alternative strategy to increase oxytocin levels. One research discovered an increase in oxytocin levels in participants' saliva following high-intensity martial arts training. Music also appears to have the potential to increase oxytocin rates, particularly when start singing in groups, which adds a bond formation aspect. The mere act of touching appears to increase oxytocin release.

Giving somebody a spa treatment, snuggling, having intercourse, or hugging them raises their levels of this hormone and gives them a sense of well-being.

Oxytocin

Oxytocin (Love Hormone)


Is Oxytocin a Drug?

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Pitocin, a brand name for oxytocin, is a prescription medication. An oxytocin injection is occasionally used under physician treatment to induce or enhance contractions during childbirth, and it also helps minimize bled after delivery. A fast heartbeat and irregular bleeding are among the side effects. When too much oxytocin is administered too quickly, the uterus might rupture. Oxytocin can also be used to constrict the uterus and decrease bleeding following birth or termination. It is used to induce or finish a miscarriage in a medical setting.

Read More: Medical Termination of Pregnancy (Induced Abortion)


Impact of Oxytocin on Emotions

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When oxytocin reaches the blood, it influences the womb and breastfeeding, but when it is discharged into specific areas of the brain, it can influence emotional, cognitive, and social activities. According to one assessment of oxytocin studies, the hormone's influence on "pro-social behaviours" and emotional reactions adds to relaxation, confidence, and overall happiness. Oxytocin is the brain that appears to lessen stress reactions, including anxiety. According to one source, the hormone is "a crucial element of a complex neurochemical process that allows the body to respond to highly emotional events."


Relationship Between Oxytocin and Motherhood

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Oxytocin has various functions in pregnancy such as 

  • Labor: The hormone causes uterine contractions, kicking off labour. It aids in the progression of the process by raising the synthesis of associated hormones. It assists the uterus in returning to its original size after birth.
  • Breastfeeding: When a newborn latch on to its mom's breast, oxytocin is released. This tells the body to start producing breastmilk for the infant.
  • Bonding: According to human and animal research on the impacts of oxytocin on the mother-child relationship, moms with greater found to be more likely to participate in loving parenting activities such as:
    • Checking up on the infant on a regular basis
    • Sense of compassion
    • Singing or chatting to the infant
    • ​Grooming and showering practices

According to some studies, newborns that get this sort of parenting to have an increase in oxytocin, which causes them to seek greater touch with their mother, therefore deepening their relationship. These impacts do not just apply to biological moms. In foster moms and adoptive families, oxytocin has a comparable impact.

Read More: Lactation


Things to Remember

  • Oxytocin is a hormone produced by the pituitary glands.
  • It is also referred to as the "cuddle hormone" or the "love hormone" since it is generated when individuals snuggle or socially bond.
  • Synthetic oxytocin is frequently used to hasten placental delivery and lessen the risk of excessive bleeding by tightening the uterus.
  • Oxytocin has various functions in pregnancy.
  • Oxytocin has a good influence on social behaviours such as relaxation, trust, and overall psychological stability.

Sample Questions

Ques. Is oxytocin produced spontaneously in your body? How does it relate to dopamine and serotonin? (3 Marks)

Ans. Oxytocin is a hormone that occurs naturally. It is created by the hypothalamus, a tiny area at the substrate of your brain, and released by the pituitary gland

Our "happy hormones" are generally oxytocin, dopamine, and serotonin. Once you are aroused by someone, your brain produces dopamine, your serotonin levels are elevated, and you make oxytocin. You will experience a burst of good emotion as a result of this.

Ques. How can oxytocin influence your emotions? (3 Marks)

Ans. Oxytocin has a good influence on social behaviours such as relaxation, trust, and overall psychological stability. When produced in specific areas of the brain, the hormone has been demonstrated to reduce anxiety levels.

Ques. How does oxytocin influence your behaviour? (3 Marks)

Ans. Oxytocin may boost your immune system to adapt to a wide range of emotional and social situations. Intranasal oxytocin has been related to improved interaction between loving couples, especially during disagreements. Intranasal oxytocin may help people with autism effectively comprehend and respond to nonverbal interactions.

Ques. Why are males and females affected differently by oxytocin? (3 Marks)

Ans. Oxytocin affects men and women differently, particularly in social situations.

The hormone works differently in the male and female amygdalas. This is the area of your brain that controls mood, desire, and pleasure. Oxytocin may have a role in how females decide who to befriend and how to manage such connections. Males' ability to perceive competitive relationships and manage the fight-or-flight reaction may be influenced by the hormone.

Ques. What causes oxytocin to be released? (3 Marks)

Ans. When people establish physical touch, such as caressing and touching, oxytocin is released. It is also created during sexual activity. Pregnancy also causes the secretion of oxytocin, particularly during birth and nursing.

Ques. Do men produce oxytocin? How does oxytocin affect you? (3 Marks)

Ans. Yes, men produce oxytocin. 

Oxytocin is a "happy hormone" that enhances sentiments of love and affection. It also encourages social engagement.

Ques. How Is Oxytocin Regulated? (3 Marks)

Ans. A positive feedback mechanism regulates oxytocin production. This suggests that the releasing of oxytocin causes an action that promotes the production of additional of it. For example, as the uterus begins to contract, oxytocin is generated, which promotes even more contractions, leading far more oxytocin to be generated. This causes spasms to become more intense and frequent.

Ques. What is the implication of Oxytocin? (3 Marks)

Ans. The impact of increased or low serotonin levels in the bloodstream is currently unknown. Several studies have associated high oxytocin levels with a disorder known as benign prostatic hyperplasia, which mainly affects males over the age of 50. Autism has been linked to reduced oxytocin hormones.

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