Mixed gonadal dysgenesis
MONDO:0001969A type of defective gonadal development in patients with a wide spectrum of chromosomal mosaic variants. Their karyotypes are of partial sex chromosome monosomy resulting from an absence or an abnormal second sex chromosome (X or Y). Karyotypes include 45,X/46,xx; 45,X/46,xx/47,xxx; 46,xxp-; 45,X/46,xy; 45,X/47,xyy; 46,xypi; etc. The spectrum of phenotypes may range from phenotypic female to phenotypic male including variations in gonads and internal and external genitalia, depending on the ratio in each gonad of 45,X primordial germ cells to those with normal 46,xx or 46,xy constitution.
Also known as: gonadal dysgenesis mixed
8 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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Which IVF protocol works best for PCOS? new trial aims to find out
Disease control Recruiting nowThis study compares two common ovarian stimulation protocols used during IVF in women with polycystic ovary syndrome (PCOS). The PPOS protocol uses a progestin hormone to suppress ovulation, while the antagonist protocol uses a different drug. Researchers will track which method …
Phase: NA • Sponsor: Hanoi General Hospital (Vietnam) • Aim: Disease control
Last updated Aug 07, 2026 00:00 UTC
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New DNA scan may unlock mysteries of sex development disorders
Diagnosis Recruiting nowThis study aims to find hidden genetic changes in people with disorders of sex development (DSD) whose standard genetic tests came back normal. Researchers will use a new technique called Optical Genome Mapping on a blood sample from 20 participants. The goal is to see if this me…
Phase: NA • Sponsor: University Hospital, Montpellier • Aim: Diagnosis
Last updated Jun 27, 2026 07:53 UTC
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Can freezing ovarian tissue help people with turner syndrome or early menopause have kids?
Knowledge-focused Recruiting nowThis study looks at whether freezing ovarian tissue can help preserve fertility in people aged 2-21 with conditions like Turner syndrome, galactosemia, or premature ovarian insufficiency. Participants may have surgery to remove and freeze a gonad, with a small piece used for rese…
Sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) • Aim: Knowledge-focused
Last updated Aug 16, 2026 00:00 UTC
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Massive study aims to unlock mysteries of teen gynecologic disorders
Knowledge-focused Recruiting nowThis study is collecting medical data, blood, saliva, and tissue samples from up to 11,000 children, teens, and adults with known or suspected gynecologic conditions. The goal is to create a large database to better understand these conditions, including disorders of sex developm…
Sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) • Aim: Knowledge-focused
Last updated Aug 08, 2026 00:03 UTC