COUNSELOR EXAM PREP QUESTIONS AND
ANSWERS 2026 STUDY GUIDE
◉ What are the 3 stages of early breast development? Answer: 1. In
utero
2. First 2 months of life
3. Puberty
◉ Breast development during menstruation. Answer: - Estrogen: Induces
Ductal System development
- Progesterone: Induces Lobular-Alveolar development
◉ What is Lactogenesis? Answer: The initiation of milk production
◉ How many stages of Lactogensis are there? Answer: 4
◉ What stages of Lactogenesis occur during pregnancy? Answer: 1 and
2
◉ Lactogenesis 1. Answer: 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? Answer: around 16 weeks
◉ Lactogenesis 2. Answer: 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? Answer: 2-4 days
◉ What are the 5 main areas of the breast? Answer: - Upper Inner
- Lower Inner
- Upper Outer
- Lower Outer
- Tail of Spence
◉ What are the 2 types of breast tissue and what are they composed of?
Answer: - Parenchyma: ductal and lobular-alveolar structures
- Strom: connective tissue (fat, vascular, nerve, lymphatic)
ANSWERS 2026 STUDY GUIDE
◉ What are the 3 stages of early breast development? Answer: 1. In
utero
2. First 2 months of life
3. Puberty
◉ Breast development during menstruation. Answer: - Estrogen: Induces
Ductal System development
- Progesterone: Induces Lobular-Alveolar development
◉ What is Lactogenesis? Answer: The initiation of milk production
◉ How many stages of Lactogensis are there? Answer: 4
◉ What stages of Lactogenesis occur during pregnancy? Answer: 1 and
2
◉ Lactogenesis 1. Answer: 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? Answer: around 16 weeks
◉ Lactogenesis 2. Answer: 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? Answer: 2-4 days
◉ What are the 5 main areas of the breast? Answer: - Upper Inner
- Lower Inner
- Upper Outer
- Lower Outer
- Tail of Spence
◉ What are the 2 types of breast tissue and what are they composed of?
Answer: - Parenchyma: ductal and lobular-alveolar structures
- Strom: connective tissue (fat, vascular, nerve, lymphatic)
