For the perhaps most beautiful time with your child other rules of interpretation than in “normal” life have to be applied. Well-run cycle records also enable you while breastfeeding a reliable prevention of pregnancy (the Pearl index is 1, therefore roughly in the order of magnitude of the "pill") or when you want to have children to recognize and to deliberate exploit potentially fertile periods.
In this journal you will find the clear-listed rules of interpretation for lactation and for this occasion an adapted over-long cycle journal.
Order from your regional office
Cost: EUR 3, - or CHF 3.50 plus postage. To Austria, Switzerland, Germany this will be shipped from Germany.