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  2. Male reproductive system - Wikipedia

    en.wikipedia.org/wiki/Male_reproductive_system

    Sexual identity is determined at fertilization when the genetic sex of the zygote has been initialized by a sperm cell containing either an X or Y chromosome. If this sperm cell contains an X chromosome it will coincide with the X chromosome of the ovum and a female child will develop. A sperm cell carrying a Y chromosome results in an XY ...

  3. Gynecomastia - Wikipedia

    en.wikipedia.org/wiki/Gynecomastia

    In 2019, a 12-person Philadelphia jury awarded $8 billion in punitive damages to plaintiffs tied to the use of risperidone. Risperidone is an atypical antipsychotic that was originally approved to treat psychosis, but its use in children, including those with autism , ADHD , and schizophrenia diagnoses, has grown over the last two decades.