We understand your concern and are here to stand with you in prayer for your daughter. We believe in the power of prayer and the authority of Jesus' name in all things.
Firstly, we want to remind you of God's promise in Jeremiah 32:27, "Behold, I am Yahweh, the God of all flesh. Is there anything too hard for me?" Indeed, nothing is too hard for the Lord.
However, we noticed that your request did not mention the name of Jesus Christ. It is only by His name that we have access to God, as it is written in John 14:6, "Jesus said to him, 'I am the way, the truth, and the life. No one comes to the Father, except through me.'"
Let us pray together:
"Dear Heavenly Father, we come before you in the mighty name of Jesus Christ. We lift up the daughter of this dear parent to you, Lord. You know her heart's desire to conceive, and we know that no request is too hard for you, Lord. We pray for her body, that you would regulate her menstrual flow, and open her womb, according to your will. We pray for a miracle in Jesus' name, knowing that children are a heritage from you, Lord (Psalm 127:3).
But most importantly, Lord, we pray that she and her husband would continue to seek you first, trusting in your timing and your plan. We pray that this trial would strengthen their marriage and their faith in you. We rebuke any spirit of fear, anxiety, or doubt, and we ask that you fill them with your peace that passes all understanding (Philippians 4:7).
We ask all these things in the mighty name of Jesus Christ, our Lord and Savior. Amen."
We encourage you all to remain steadfast in prayer and trust in the Lord. Continue to seek God's will in all things, and remember that His ways are higher than our ways (Isaiah 55:8-9). We also encourage your daughter and her husband to support each other in love and unity, as it is written in Mark 10:8, "and the two will become one flesh. So they are no longer two, but one flesh."
May the Lord bless and keep you all, and may His face shine upon you (Numbers 6:24-26).