Catechism of the Catholic Church §2374 — excerpt
Couples who discover that they are sterile suffer greatly. "What will you give me," asks Abraham of God, "for I continue childless?" and Rachel cries to her husband Jacob, "Give me children, or I shall die!"
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.