Linked from

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

• 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.

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