Common Questions About NFP

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What is NFP anyway?

Ask the average American for a description of Natural Family Planning (NFP), and you will probably get a blank look or a reference to calendar rhythm.

Natural Family Planning (NFP) is an umbrella term for certain methods used to achieve and avoid pregnancies. These methods are based on observation of the naturally occurring signs and symptoms of the fertile and infertile phases of a woman’s menstrual cycle. Couples using NFP to avoid pregnancy abstain from intercourse and genital contact during the fertile phase of
the woman’s cycle. No drugs, devices, or surgical procedures are used to avoid pregnancy.

NFP reflects the dignity of the human person within the context of marriage and family life, promotes openness to life, and recognizes the value of the child. By respecting the love-giving and life-giving natures of marriage, NFP can enrich the bond between husband and wife.

Who can use NFP?

Any married couple can use NFP! A woman need not have “regular” cycles. NFP education helps couples to fully understand their combined fertility, thereby helping them to either achieve or avoid a pregnancy. The key to the successful use of NFP is cooperation and communication between husband and wife–a shared commitment.

As a method of family planning, NFP

  • Calls for mutual responsibility by husband and wife
  • Requires the couple to communicate
  • Is based on scientific research
  • Treats each menstrual cycle as unique and teaches a couple to observe their signs of fertility on a day-to-day bases
  • Has no harmful side effects
  • Is effective for those wanting to achieve or avoid pregnancy
  • Can be used in special circumstances–such as, post-partum, during breastfeeding, and premenopause
  • Is virtually cost free!

NFP is unique among methods of family planning because it enables its users to work with the body rather than against it. Fertility is viewed as a reality to live, not a problem to be solved.

What are the signs of fertility?

A woman’s body provides three basic ways to identify the fertile and infertile times of her cycle. Recognizing the pattern of those physical signs forms the basis for all methods of NFP. A primary sign of fertility is the mucus released from the women’s cervix. A woman learns to identify the normal, healthy, cervical mucus which indicates the days that intercourse is most likely to result in a pregnancy.

The second sign is her basal body temperature. Due to hormonal activity, a woman’s waking temperature changes during the menstrual cycle. Lower temperatures indicate that ovulation has not yet occurred. Higher temperatures indicate a rise in progesterone which signals the end of the fertile time.

The third sign is a change in the shape or texture of the cervix. Finally, secondary signs, such as minor abdominal pain or pressure at the time of ovulation can also be observed.

How does NFP work?

NFP instruction helps a couple identify the most opportune time to achieve as well as avoid a pregnancy. Understanding that intercourse or genital contact during the fertile time can result in pregnancy, couples using the natural methods must be clear regarding their family planning intention–that is, do they wish to achieve or avoid a pregnancy? If a couple wishes to achieve pregnancy, they have intercourse during the fertile time. If a couple wishes to avoid pregnancy, they abstain from intercourse and any genital contact during the fertile time. No artificial methods are used during the fertile time. These would interfere with a women’s observation of her fertility signs.

What are the benefits of using NFP?

In NFP both spouses are taught to understand the nature of fertility and work with it, either to plan a pregnancy or to avoid a pregnancy. Couples who use NFP soon learn that they have a shared responsibility for family planning. Husbands are encouraged to “tune into” their wives’ cycles and both spouses are encouraged to speak openly and frankly about their sexual desires and their ideas on family size.

Other benefits include

  • Low cost
  • No harmful side effects
  • Effectiveness for achieving, spacing, or limiting pregnancy
  • Can be used throughout the reproductive life cycle
  • Marriage enrichment and mutual understanding
  • Appreciation for the value of children
  • Fosters respect for and acceptance of the total person
  • Moral acceptability

How effective are the natural family planning methods for avoiding pregnancy?

When couples understand the methods and are motivated to follow them, NFP is up to 99* successful in spacing or limiting births. The effectiveness of NFP depends upon the spouses’ following the rules of the method according to their family planning intention (i.e., achieving or limiting pregnancy). Those who are strongly motivated to avoid pregnancy and follow the method-defined rules are very effective in meeting their goal.

*Effectiveness of Natural Family Planning in Avoiding Pregnancy.
(Number of pregnancies among 100 couples in one year.)
Couples who carefully follow all the rules for avoiding pregnancy all the time — 1-3/100
Couples who do not follow all the rules for avoiding pregnancy — 2-15/100

Where can I learn how to use NFP?

The best way to learn NFP is to register for the on-line NFP course offered through the Diocese of La Crosse. Click here to sign up for a class.

Credit: USCCB: “What is Natural Family Planning?”