 Third, they were stereotyped as lacking 'normal maternal instinct'.The study found communication difficulties to be part of the problem, particularly among women who were Muslim South Asians with Urdu as their first language; this problem vanished when hospital staff of South Asian descent were included in the team attending the expectant mother.Further, the study found experimenter's bias in a population wide study that included native British people, people of South Asian descent and people from other parts of the world.