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, Where does breast tissue normally develop? - correct ans:Along the breast line
- located from under the arms down to the groin
What are the 3 stages of early breast development? - correct ans:1. In utero
2. First 2 months of life
3. Puberty
Breast development during menstruation - correct ans:- Estrogen: Induces Ductal System development
- Progesterone: Induces Lobular-Alveolar development
What is Lactogenesis? - correct ans:The initiation of milk production
How many stages of Lactogensis are there? - correct ans:4
What stages of Lactogenesis occur during pregnancy? - correct ans:1 and 2
Lactogenesis 1 - correct ans:Ductal and Lobular-Alveolar systems grow at an accelerated rate (influenced
by hormones)
- breasts enlarge
- high progesterone levels cause an increase in alveoli
- colostrum begins to produce in the alveoli
When does Lactogenesis 1 occur? - correct ans:around 16 weeks
Lactogenesis 2 - correct ans:The placenta is released from the uterus and progesterone levels drop
- this causes the alveolar cells to begin to release milk and allows them to continue to produce more
milk
How long does Lactogenesis 2 last? - correct ans:2-4 days