Kisspeptin Administration Subcutaneously to Patients With IHH

Inclusion Criteria: * Congenital IHH o Confirmed diagnosis by medical provider supported by low sex steroids in the setting of low or inappropriately normal gonadotropins * Normal blood pressure (systolic BP \< 140 mm Hg, diastolic \< 90 mm Hg) * No current or recent use of a medication that, in the opinion of a study investigator, can modulate the reproductive axis or willing to complete an appropriate washout for that particular medication and method of administration Exclusion Criteria: * Any condition (medical, mental, or behavioral) that, in the opinion of a study investigator, would likely interfere with participation in/completion of the protocol * Excessive alcohol consumption (\>10 drinks/week) and/or active use of illicit drugs o Any active use of marijuana will be evaluated by a study medical professional to determine if it may impact study participation. * Pregnant or trying to become pregnant * Breast feeding * History of: bilateral oophorectomy (both ovaries were removed), breast cancer, thromboembolic disease, coronary artery disease, stroke, thrombophilic disorders, or undiagnosed abnormal genital bleeding