Here are some studies that look at the influences of nutrition on infertility in females as well as males.
1. Aoun, Antoine et al. “Can Nutrition Help in the Treatment of Infertility?.” Preventive nutrition and food science vol. 26,2 (2021): 109-120. doi:10.3746/pnf.2021.26.2.109
2. ESHRE Capri Workshop Group. “Nutrition and reproduction in women.” Human reproduction update vol. 12,3 (2006): 193-207. doi:10.1093/humupd/dmk003
3. González-Rodríguez, Liliana Guadalupe et al. “Nutrición y fertilidad” [Nutrition and fertility]. Nutricion hospitalaria vol. 35,Spec No6 7-10. 7 Sep. 2018, doi:10.20960/nh.2279