PCE CERTIFIED BREASTFEEDING COUNSELLOR EXAM LATEST 2024/2025 QUESTIONS AND CORRECT ANSWERS(100% CORRECT VERIFIED ANSWERS)ALREADY GRADED A+ Different stages of breast development - Embryogenesis - Mammogensis - Lactogenesis 1 - Lactogenesis 2 - Lactogenesis 3 - ANSWER-Embryogenesis: mammary gland devo while 5 wk embryo Mammogenesis: @ puberty, estrogen influences growth of ducts and buds Lactogenesis 1: completion of mammary development from placenta stimulation; ducts stimulated + colostrum secretion at 16 wks Lactogenesis 2: Secretory activation when placenta out --> decr progesterone --> inc prolactin --> inc milk supply Lactogenesis 3: Milk removal --> mature milk prod; =nfant sucking= ^ oxytocin= let down. Estrogen ProgesteroneProlactin Oxytocin TS: - ANSWER-Estrogen - ^ during pregnancy; stim growth in ductile system Progesterone - ^ during pregnancy; stim alveoli and lobes Prolactin - frm ant pituitary gland; lands on prolactin receptor sites to start milk prod Oxytocin - from post pituitary gland; cause LETDOWN TS: - ^ responsiveness of mammary cells Tail of spence: What is it, symptoms - ANSWER-Mammary gland tissue that extends to axillary area, connected to milk ducts --> can cause swollen armpits & mastitis Accessory tissue: Where are they found? Can they lactate? - ANSWER-Diagonal line from axilla to groin area -