Combine the following: Rose, Vertivert, Corn Meal, and Cinnamon. You can burn this mix alone, or roll it into incense sticks. This can also be worn as a powder, lightly, on the body, or in your shoes to boost fertility.
Get any color chime candle, food or drink as an offering for Cernunnos. Go outside to the park, woods, or quiet spot at home. Light the candle, visualize your future child, and chant, "God of Hunt, God of Grain, I sit in the Cradle of your fertility, And I ask you to grant me the same. Repeat for 3, 7, or 9 days. Discard wax, food/drink respectfully outside, say thank you and walk away.
Write this Sigil on candles, paperwork, or even on your bed frame to help boost fertility. You can focus strongly on the shape of the sigil and visualize your future offspring in it, or coming alive from it.