Husband has low sperm count

My husband and i conceived when we were both 20. I got pregnant weeks after getting off birth control (been on it for 6+ years) we now have a healthy beautiful 3 1/2 year old. I started BC again after having her and got off of it again in February ‘17. We have yet to conceive again. We got the at home sperm count test. It did show my husband has low sperm count. I have him on Fertilaid and vitamins to help boost sperm count. Anyone have a successful pregnancy even after SO has low sperm count? Really praying this year we get our BFP!! 🤞🏼🤞🏼🤞🏼🙏🏼🙏🏼🙏🏼