Mothers average 14 to 15 months without menstruation after childbirth when they breastfeed according to the Seven Standards of Ecological Breastfeeding. The author analyzes the research and focuses on the seven mothering behaviors that define ecological breastfeeding. This form of baby care is the gold standard of going for the green. It is eminently healthy for mother and baby and will save parents many times the small cost of this life-changing book.