How should a Christian deal with infertility?

Sarah waited until age ninety. While Scripture highlights the delayed pregnancies of Rebekah, Rachel, and Elizabeth, an infertile Christian couple today must know this physical trial is never a divine punishment for sin. Because every transgression is fully forgiven in Christ, believers can confidently consult fertility specialists and pray fervently for conception without bearing unwarranted guilt. The mothers of the Israelite nation eventually gave birth to historical figures like Isaac, Jacob, and Joseph by God's grace, but His specific plan for a modern marriage requires total submission to His sovereign timeline. Whether the Lord grants a natural child, directs a family toward adoption and foster-parenting, or calls a couple to remain childless, He acts with absolute authority over the womb. Anchoring your hope in the theological reality of Romans 11:33-36 and James 1:17 provides lasting comfort, affirming that the Author of Life possesses infinite wisdom and grants only good and perfect gifts. Source Article: https://www.gotquestions.org/infertility.html