"Scientists now think that birth defects of boy's genitals, low sperm counts and testicular cancer, collectively called Testicular Dysgenesis Syndrome (TDS), may all have their origins during development in the womb. Testosterone, the male hormone, is needed to form a normal penis and to make the testicles ‘drop' whilst the baby is in the uterus. Many everyday chemicals in the environment or in consumer products have the potential to block the action of testosterone, and a baby's exposure to this mixture of chemicals may undermine this process and harm future male reproductive health. This new CHEM Trust report highlights that animal studies have clearly established that certain hormone disrupting chemicals, in particular testosterone disrupting chemicals, can cause TDS-like disorders."

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