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Dear catholic.com visitors: This website from Catholic Answers, with all its many resources, is the world's largest source of explanations for Catholic beliefs and practices. A fully independent, lay-run, 501(c)(3) ministry that receives no funding from the institutional Church, we rely entirely on the generosity of everyday people like you to keep this website going with trustworthy , fresh, and relevant content. If everyone visiting this month gave just $1, catholic.com would be fully funded for an entire year. Do you find catholic.com helpful? Please make a gift today. SPECIAL PROMOTION FOR NEW MONTHLY DONATIONS! Thank you and God bless.

Breastfeeding is making it impossible to read the signs of fertility. What do we do?

Question:

My wife and I have been practicing NFP since we married. However, due to breastfeeding, the normal signals used to chart her cycle are completely haywire. It is impossible for us to say with certainty where she is in her cycle. What is the Church’s teaching in this case?

Answer:

If NFP is not reliable for any reason, you may find the only moral method for regulating births to be abstinence. However, there are methods of breastfeeding through which the mother will generally experience an extended period of infertility. For more on this, I recommend that you consult an NFP expert.

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