Original sentence: In addition to promoting Fertility Awareness methods, NFP requires couples wishing to avoid pregnancy to abstain from sexual relations during the woman's fertile time.The term natural family planning can generally be used interchangeably with fertility awareness, however Natural family planning can also more specifically refer to a set of natural birth control methods sanctioned by the Roman Catholic Church
Edited sentence: However, the term Natural Family Planning actually refers to a set of natural birth control methods approved by the Roman Catholic Church.Natural Family Planning involves observing religiously-based behavior restrictions, which are not specific to all uses of fertility awareness methods.The term natural family planning is sometimes used to refer to the use of any fertility awareness methods, particularly by those using the method to conceive