Vitamin D deficiency and low ionized calcium are linked with semen quality and sex steroid levels in infertile men. Smoking has long been known to reduce overall health, sperm production, and quality. In rare cases, male fertility problems can't be treated, and it's impossible for a man to father a child. Ashwagandha Withania somnifera is a medicinal herb that has been used in India since ancient times. Before having ICSI, you and your partner will need to have an assessment to ensure the treatment is appropriate.
Jameson JL, et al.
Low sperm count