How reliable is natural family planning?
It is not reliable as a form of contraception when used on its own, but it can be helpful both for couples wishing to avoid pregnancy and for those actively trying to have a baby. If a woman’s cycle is irregular then natural family planning will be less reliable. You should also bear in mind that none of the methods that come under the heading of natural family planning will protect you from sexually transmitted diseases. How does natural family planning work?
