Between 24 and 36 days after fertilization, development of limb(s) may be impeded. This may eventually lead to complete or partial absence of one or more than one limbs. Tetra-amelia syndrome appears to have an autosomal recessive pattern of inheritance - that is, the parents of an individual with tetra-amelia syndrome each carry one copy of the mutated gene, but do not show signs and symptoms of the condition. In a few cases,<unk> may be attributed to health complications during the early stages of pregnancy, including infection, failed abortion or complications associated with removal of an IUD after pregnancy, or use of teratogenic drugs, such as thalidomide.
Amelia 
Algaemia
Histidinemia
Pentosuria
Isovaleric acidemia
Sialuria
Hyperoxaluria
Hypervalinemia