HealthMap

Fertility - connections

-> Fertility

• Hyperthyroidism - Reduces (Population: some animals; Evidence: reports)
• Blood Type O - Reduces (State: lower; Sex: female; Evidence: scientific research)

Low sperm count - connections

-> Low sperm count

• Calcium, Folate, Magnesium, Potassium, Zinc - Associated With (Level: low)

Sperm counts - connections

-> Sperm counts

• Drinking-water chlorination - Reduces (Certainty: associated; Trend: declining)