Several factors can impact sperm concentration, including:
Age: Sperm concentration can decline with age. Lifestyle factors: Smoking, alcohol consumption, and drug use can negatively affect sperm concentration. Environmental exposures: Exposure to certain chemicals and pollutants can reduce sperm concentration. Medical conditions: Conditions like varicocele, infections, and hormonal imbalances can affect sperm production. Diet and nutrition: Poor nutrition and deficiencies in essential vitamins and minerals can impact sperm health.