Husband has low testosterone- advise

Shelby • Sawyer Elijah 7/14/20 ❤️ IVF FET feb 2022- chemical IVF FET may 2022 - chemical

My husband was checked earlier this year before we started our ttc journey and his testosterone was at 400. A little on the lower side of normal. Anyone’s SO have similar levels and we’re able to conceive without medical intervention? Thanks for the help!