Recently, media reports have highlighted cases where prenatal checkups showed normal results throughout pregnancy, yet newborns were later diagnosed with congenital abnormalities, raising public concerns about the accuracy of prenatal screening. In response, local health authorities clarified that while routine prenatal examinations can detect many serious structural anomalies, they cannot guarantee 100% detection due to technical limitations, fetal positioning, gestational age, and individual variations.The health commission explained that standard prenatal screenings—including ultrasounds, serum tests, and non-invasive prenatal testing (NIPT)—primarily target high-risk conditions such as Down syndrome, neural tube defects, and major cardiac malformations. However, subtle or functional abnormalities—like hearing impairments, metabolic disorders, or certain chromosomal microdeletions—may remain undetectable before birth. Additionally, some anomalies only become apparent in late pregnancy or after delivery.Experts recommend that pregnant women adhere to scheduled prenatal care and, when advised by physicians, pursue advanced diagnostics such as fetal MRI or genetic counseling. The public is also urged to understand the inherent limitations of medical screening and avoid viewing prenatal exams as an absolute guarantee of a healthy baby. The health authority stated it will continue improving the prenatal screening system, enhancing diagnostic capabilities at grassroots medical facilities, and strengthening doctor-patient communication to reduce misunderstandings and disputes.
近日，有媒体报道称，部分孕妇在孕期产检结果均显示正常，但婴儿出生后却被诊断出存在先天性畸形，引发公众对产前筛查准确性的关注。对此，当地卫生健康委员会（卫健委）作出回应，强调产前检查虽能发现多数严重结构异常，但受限于技术手段、胎儿体位、孕周及个体差异等因素，并不能100%检出所有畸形。卫健委指出，目前常规产检包括超声、血清学筛查及无创DNA等项目，主要针对唐氏综合征、神经管缺陷、严重心脏畸形等高风险疾病。然而，一些微小或功能性异常（如听力障碍、代谢性疾病、部分染色体微缺失等）可能在产前难以识别。此外，部分畸形在孕晚期甚至出生后才逐渐显现。专家建议，孕妇应按时进行规范产检，必要时根据医生建议接受更高级别的影像学检查（如胎儿磁共振）或遗传咨询。同时，社会应理性看待产检的局限性，避免将医疗行为误解为‘保证健康’的承诺。卫健委表示，将持续优化产前筛查体系，提升基层医疗机构诊断能力，加强医患沟通，减少误解与纠纷。
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