When God told Adam & Eve to be fruitful and multiply, He meant what He said. If you find yourself having difficulty conceiving children, KNOW your Heavenly Father's willing heart for you to be fruitful and multiply.
Exodus 23.26: There shall be no one miscarrying or barren in your land; I will fulfill the number of your days.
Exodus 23.26: There shall be no one miscarrying or barren in your land; I will fulfill the number of your days.