Rare diseases · Sign or symptom
Prenatal movement abnormality
HP:0001557
What it means
An abnormality of fetal movement.
Fetal movements generally become apparent during the second trimester of pregnancy around the 20th week but occasionally up to the 25th week. The initiation of perceptible fetal movements is referred to as 'quickening'.
Rare diseases that can present with this6
Common30–79%
3The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Abnormal intrauterine movements
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.