Babies born with penis developmental disorder happier when raised male, say Johns Hopkins researchers

Genetically and physically male babies born with a condition called "micropenis" are more likely to achieve psychological and sexual well-being in adulthood if raised male, according to a new study by researchers at Johns Hopkins and three other centers. Their report in this month's Hormone Research is the first comprehensive, long-term study examining psychological and sexual outcomes for both men and women.

People born with a micropenis and raised as girls said they identified solidly with their female gender, but only 20 percent of the women said they were satisfied with their genitalia. In contrast, 50 percent of men, some of whom had attained normal penis length with the help of testosterone replacement, said they were satisfied with their genitalia. Like the women, men said they identified with their male gender.

"Raising the baby either male or female presents parents with challenges," says Johns Hopkins Children's Center psychologist Amy Wisniewski, Ph.D., lead author of the study. "But we were pleased with the successful outcome of some of the males. All men who were compliant with their testosterone replacement attained a final penile length within the normal range."

The research team collected birth and adult genitalia measurements from 13 men and 5 women, all born with a micropenis. The researchers surveyed the individuals, all adults between 21 and 54 years of age at the time of the study, for self-assessments of gender identity, sexual function and satisfaction with their genitalia. The researchers also asked the participants questions regarding sexual orientation, marriage and satisfaction with their sex of rearing.

Of the 12 men who responded, 10 reported a male heterosexual orientation, six were married, and 11 said they were satisfied with their sex of rearing. Among the women, three (of four responding) reported a female heterosexual orientation, none was married, and all were satisfied with the

Contact: David Bricker
Johns Hopkins Medical Institutions

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