Original sentence: Karp's infant calming technique is supposed to be based on recreating elements of life in the womb.Lactation and breastfeeding expert Nancy Mohrbacher collected several scientific studies which demonstrated negative aspects of swaddling on newborn infants
Edited sentence: Karp's infant calming technique is supposed to be based on recreating the essential elements of the experience of living in the womb.Lactation and breastfeeding expert, Nancy Mohrbacher, collected several scientific studies which demonstrated negative aspects of swaddling on newborn infants