54 cases with lethal achondrogenesis from the literature as well as two own cases are reviewed and analyzed with regard to the following characteristics : sex , hydramnios , breech presentation , duration of pregnancy , length and weight at birth , head circumference , length of upper and lower extremities , clinical and radiological data , age of mother and father at time of birth , familial occurrence and consanguinity of parents , histological , histochemical and electronmicroscopic tissue examination .
C1521970
characteristics
C1444754
length