Lactational amenorrhea

Lactational Amenorrhea

File:Poor breastfeeding latch.jpg

A poor breastfeeding latch can affect lactational amenorrhea.

Lactational amenorrhea is the natural postpartum infertility that occurs when a woman is amenorrheic (not menstruating) and fully breastfeeding. It is a method of birth control that relies on the natural postpartum infertility that occurs when a woman is breastfeeding.

Physiology

Lactational amenorrhea is based on the hormonal changes that occur during breastfeeding. When a baby suckles at the breast, it stimulates the release of prolactin and oxytocin from the pituitary gland. Prolactin is responsible for milk production, while oxytocin causes the milk ejection reflex or "let-down". High levels of prolactin suppress the release of gonadotropin-releasing hormone (GnRH) from the hypothalamus, which in turn reduces the secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) from the pituitary gland. This suppression of LH and FSH prevents ovulation and menstruation.

Criteria for Effectiveness

For lactational amenorrhea to be an effective method of contraception, certain criteria must be met:

• The mother must be exclusively breastfeeding, meaning the infant receives no other food or drink besides breast milk.
• The infant must be less than six months old.
• The mother must be amenorrheic, meaning she has not yet resumed menstruation.

If these conditions are met, lactational amenorrhea can be more than 98% effective as a contraceptive method.

Factors Affecting Lactational Amenorrhea

Several factors can influence the effectiveness of lactational amenorrhea:

• Frequency of breastfeeding: Frequent breastfeeding sessions, both day and night, help maintain high levels of prolactin.
• Duration of breastfeeding sessions: Longer breastfeeding sessions can enhance the suppression of ovulation.
• Introduction of supplementary feeding: Introducing formula or solid foods can reduce the frequency of breastfeeding and decrease the effectiveness of lactational amenorrhea.
• Breastfeeding technique: A poor breastfeeding latch, as shown in the image, can affect milk transfer and hormonal responses, potentially reducing the effectiveness of lactational amenorrhea.

Advantages and Disadvantages

Advantages

• Natural and cost-free: Lactational amenorrhea is a natural method of contraception that does not require any medical intervention or cost.
• Health benefits for mother and child: Breastfeeding provides numerous health benefits for both the mother and the infant, including nutritional, immunological, and emotional benefits.

Disadvantages

• Limited duration: The effectiveness of lactational amenorrhea diminishes after six months or when menstruation resumes.
• Requires strict adherence: The method requires strict adherence to breastfeeding practices, which may not be feasible for all mothers.

Related Pages

• Breastfeeding
• Contraception
• Postpartum period
• Prolactin
• Ovulation