A bifid penis is a rare congenital defect where two genital tubercles develop.

Historically, males born with a bifid penis often underwent sex reassignment

Sex reassignment

Sex reassignment may refer to:* Sex reassignment, changing the sex assignment of an infant or child by parents and doctors, usually because of fuller understanding of an intersex condition....

 surgery, due to the difficulty of penile reconstruction. They were raised as girls, and often had reconstructive surgery

Reconstructive surgery

Reconstructive surgery is, in its broadest sense, the use of surgery to restore the form and function of the body, although Maxillo-Facial Surgeons, Plastic Surgeons and Otolaryngologists do reconstructive surgery on faces after trauma and to reconstruct the head and neck after cancer.Other...

 to make them phenotypically female, coupled with female hormone replacement therapy

Hormone replacement therapy (male-to-female)

Hormone replacement therapy for transgender and transsexual people changes the balance of sex hormones in their bodies. Some intersex people also receive HRT, either starting in childhood to confirm the sex to which they were assigned, or later, if this assignment has proven to be incorrect...

. However, in recent years, this practice has fallen under heavy scrutiny due to both a high frequency of sexual dysfunction

Sexual dysfunction

Sexual dysfunction or sexual malfunction refers to a difficulty experienced by an individual or a couple during any stage of a normal sexual activity, including desire, arousal or orgasm....

 in gender converted children, and more advanced penile reconstruction techniques.

Many male marsupials naturally have a bifid penis, with left and right prongs that they insert into multiple vaginal canals simultaneously.