CLC Breastfeeding Equipment & Milk Expression

Question 1

Which breast shield (flange) size is considered the standard fit and used as a starting point when fitting a mother for a breast pump?

Accepted Answer

24 mm

Answer

The 24 mm flange is the standard size included with most pumps, but individual fitting requires measuring the nipple diameter and adding 2–3 mm.

Question 2

When fitting a breast pump flange, the flange is considered correctly sized when:

Accepted Answer

The nipple moves freely in the tunnel without the areola being pulled in excessively

Answer

A properly fitted flange allows the nipple to move freely in the tunnel with 2–3 mm of space around it and minimal areola draw-in.

Question 3

What is the maximum recommended storage time for freshly expressed breast milk kept at room temperature (up to 77°F/25°C)?

Accepted Answer

4 hours

Answer

The CDC and ABM recommend freshly expressed breast milk be used within 4 hours when stored at room temperature up to 77°F.

Question 4

According to CDC guidelines, how long can freshly expressed breast milk be safely stored in a standard refrigerator at 40°F (4°C)?

Accepted Answer

Up to 4 days

Answer

The CDC recommends using refrigerated breast milk within 4 days for best quality and safety, though up to 8 days is possible under very clean conditions.

Question 5

When storing breast milk in a deep freezer at 0°F (-18°C), the recommended maximum storage time is:

Accepted Answer

12 months

Answer

Deep freezer storage at 0°F can maintain breast milk quality for up to 12 months, though 6 months is optimal for best nutrient preservation.

CLC - Certified Lactation Counselor Practice Test

CLC - Certified Lactation Counselor Practice Test

CLC Breastfeeding Equipment & Milk Expression