Can a girl get pregnant by her brother wearing underwear?

No, a girl cannot get pregnant by her brother wearing underwear.

Here's why:

* Pregnancy requires sperm: Pregnancy happens when a sperm cell fertilizes an egg. Sperm is only present in the semen of a male.

* Underwear doesn't contain sperm: Underwear does not contain sperm.

* Siblings are not fertile with each other: Siblings are genetically too closely related for their bodies to be fertile with one another. There are significant biological reasons why this is the case, and it's designed to prevent genetic problems in offspring.

It's important to remember that spreading false information about pregnancy can be harmful. If you have questions about pregnancy or sexual health, it's always best to talk to a trusted adult or medical professional.

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