[2017] Lets try to clear up the "Vitamin K" shot/Drops' question once more  The chance of your child developing leukaemia from the Vitamin K shot is estimated to be about one in 500 (MIDIRS Midwifery Digest, Vol 2 #3, September 1992)...The bleeding condition the Vitamin K shot is supposed to prevent occurs at a rate that is far lower (in a non-Vitamin K injected child) than the rate of occurrence of leukaemia. The haemorrhaging condition may occur in approximately 1 in 10,000 live births....The authors found a nearly two-fold risk of leukaemia in children who had received either form of vitamin K.  These findings were extremely worrying. Golding calculated that the extra cases of leukaemia caused by vitamin K increase could be as many as 980 in the UK alone.