International Board Certified Lactation Consultant

IBCLC Exam Bank; Questions & Answers_ 2022. When does the breast begin to develop in utero? - 4th week of gestation Where does the primitive milk streak develop - Bilaterally from the axilla to the groin By the 5th week gestation the milk streak becomes what? - Mammary Milk Ridge (or milk line) Thickening and inward growth into the chest wall continues during what weeks gestation? - 7-8 weeks gestation Between weeks 12 and 16 gestation specialized cells differentiate into what? - Smoo...