Healthy female FtM subjects, who have undergone SR surgery (hystero-adnexectomy) will be recruited to participate in this study. Healthy female subjects between 18 to 45 years of age will be enrolled in the study according to Inclusion/Exclusion Criteria listed below. They will be informed about the nature, aim and objectives of the study and will be required to give their written consent to participate in the study. The presence of the inclusion criteria and the absence of the exclusion criteria will be documented in the Case Report Forms (CRF).