A comprehensive exploration of how to map ovulation on a calendar and how to interpret physical signals to best avoid pregnancy. Uses elaborate detail to convince the reader that this method of contraceptive has a scientific chance of preventing pregnancy, although much of the content appears unfounded and unreliable.
Often repeated the same content, and relied heavily on visuals to convey the message.Show moreShow less
Often repeated the same content, and relied heavily on visuals to convey the message. Show more Show less