Republic of the Philippines vs. Jennifer B. Cagandahan.
FACTS
Respondent Jennifer Cagandahan filed a petition for correction of entries in her birth certificate before the Regional Trial Court (RTC). She alleged that she was registered female at birth but was later diagnosed with Congenital Adrenal Hyperplasia (CAH), a condition where an individual possesses both male and female characteristics. Medical evidence established that while genetically female, her body secretes male hormones, resulting in underdeveloped female organs, the presence of male characteristics, and a male gender identity. She sought to change her first name from “Jennifer” to “Jeff” and her gender from female to male.
The RTC granted the petition. The Office of the Solicitor General (OSG) appealed, arguing non-compliance with procedural rules under Rules 103 and 108 of the Rules of Court. The OSG contended that the local civil registrar was not impleaded and residency requirements were not met. Substantively, it argued that Rule 108 does not allow a change of sex or gender and that CAH does not make respondent a male.
ISSUE
Whether the trial court erred in granting the petition to change the respondent’s name and gender in the birth certificate based on her medical condition of Congenital Adrenal Hyperplasia.
RULING
The Supreme Court affirmed the RTC decision. Procedurally, the Court found substantial compliance. While the local civil registrar was not formally impleaded, it was notified and participated in the proceedings. The residency requirement, though not strictly met, was rendered moot as the petition was heard on its merits without objection.
On the substantive issue, the Court upheld the correction. It distinguished this case from Silverio v. Republic, which disallowed a sex change for a transsexual. Here, the respondent is an intersex individual with CAH, a biological condition. The Court recognized that determining a person’s sex for legal purposes involves more than genitalia; it includes gonads, chromosomes, and psychological sex. Given that respondent’s body produces male hormones, she has predominantly male secondary characteristics, and she has psychologically and physically lived as a male, the Court ruled that allowing the correction recognizes her true and actual sex classification. The change of first name from Jennifer to Jeff was a necessary consequence to conform with this corrected gender. The decision balances legal procedures with medical reality and the individual’s constitutional right to develop one’s personality.


