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Obstetric aspects of the Prader-Willi syndrome
1Department of Obstetrics and Gynecology, VU University Medical Center, Amsterdam, The Netherlands. BF.Fong@VUmc.nl
Insights
Prader-Willi syndrome (PWS) is a complex genetic disorder. Early identification of fetal obstetric symptoms can aid in timely diagnosis and improved perinatal care for affected infants.
Area of Science:
- Genetics
- Neuroscience
- Pediatrics
Background:
- Prader-Willi syndrome (PWS) is a complex multisystem genetic disorder.
- It primarily affects the central nervous system, particularly the hypothalamus.
- Clinical manifestations vary with age, often leading to delayed diagnosis in early childhood.
Observation:
- Obstetric symptoms like polyhydramnios, diminished fetal movements, malpresentation, and abnormal fetal heart rhythm can be associated with PWS.
- These symptoms may indicate the presence of PWS in the fetus.
- Three case studies illustrate the utility of these combined obstetric signs.
Findings:
- Specific combinations of obstetric symptoms can serve as early warning signs for PWS.
- Prompt recognition of these signs is crucial for initiating early intervention.
- Prenatal diagnosis can optimize perinatal management strategies.
Implications:
- Early diagnosis of PWS enables timely genetic counseling for families.
- Recognizing PWS prenatally facilitates specialized care during pregnancy and delivery.
- Improved understanding of fetal PWS signs can enhance diagnostic accuracy and patient outcomes.
Abstract:
The Prader-Willi syndrome (PWS) is a complex, multisystem disorder. The syndrome affects the central nervous system, with a predilection for the hypothalamus. The clinical picture in PWS is very variable, and depends on the age of the affected child. Frequently, the most prominent features such as obesity, mental retardation and behavioral disorders do not become evident until the later childhood stage, which can lead to underdiagnosis or late diagnosis in early childhood. Because of the long-term implications of this syndrome, it is important to recognize its features as soon as possible so that early counseling of parents and the affected child is possible. Because PWS can also lead to complications in both pregnancy and labor, proper diagnosis in the fetus can also help optimize perinatal care in affected children. In three cases we illustrate that certain combinations of obstetric symptoms such as polyhydramnios, diminished fetal movements, malpresentation and abnormal fetal heart rhythm can help alert clinicians to the possibility of this syndrome in fetuses.