The major immediate maternal risk is haemorrhagic shock; kidney
damage may be seen later in the forms of either acute tubular
or cortical necrosis. There may also be clinical and haematological
evidence of disordered blood clotting as thromboplastins are released
by placental damage and coagulation factors are consumed
in the enlarging retroplacental clot at a rate that is faster than the
body’s ability to replace them