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Normal Breast Physiology and Breast Cancer Risk

Her Baby!

Long before birth, her baby’s chemical signals began the process of breast growth and maturation that make breastfeeding possible.
 
And it is only through a full-term pregnancy and lactation that a woman acquires her greatest protection against breast cancer.
 

There are 4 types of lobules whose structural differences appear under the microscope

  • Type 1 lobules mature into Type 2 lobules under the cyclic influence of the female hormones, estrogen and progesterone, during menstrual cycles.
  • Type 2 lobules only become fully mature into Type 3 thenType 4 lobules under the influence of the hormonal changes of a full-term pregnancy.

Lobular Structures in the Human Breast

 

Extensive information in the book Love and Fertility, pages:

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