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The 63 pages that link to Prenatal diagnosis, each with the reason it gives.

• MicrophthalmiaRelated: Earlier detection may clarify anatomy and associated conditions, while prediction of visual function remains limited.

• Pentasomy XRelated: Chromosome analysis of prenatal samples can detect pentasomy X before birth.

• Tetrasomy XRelated: Prenatal chromosome testing can detect tetrasomy X before birth.

• Chromosome abnormalityRelated: Prenatal testing can identify certain chromosome abnormalities before birth.

• Congenital, Hereditary, and Neonatal Diseases and AbnormalitiesRelated: Prenatal diagnosis can identify conditions classified here before they become clinically apparent.

• DiphalliaRelated: Ultrasound or other prenatal imaging may detect genital or urinary tract anomalies.

• Jacobsen syndromeRelated: Testing may identify a chromosome 11 deletion when there is a known family risk or an ultrasound concern.

• Mark R. HughesRelated: Identifying disease mutations made prenatal testing possible for some at-risk families.

• Smith–Lemli–Opitz syndromeRelated: Targeted testing may be considered when a family has a known DHCR7 variant.

• Tetra-amelia syndromeRelated: Ultrasound and genetic testing may detect limb absence or an associated cause before birth.

• Treacher Collins syndromeRelated: Known familial variants can enable testing; fetal imaging may also reveal some craniofacial differences.

• Trisomy 16Narrower topic: Trisomy 16 findings can arise during screening or diagnostic testing in pregnancy.

• Zellweger syndromeRelated: Known familial variants can enable targeted testing in a subsequent pregnancy.