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Male:female (M:F) ratios with 95% CIs at the third birth after two previous girls for second-generation and first-generation mothers of South Asian ethnicity and Canadian mothers. South Asian (SA) countries (United Nations Statistics Division 2013) include Afghanistan, Bangladesh, Bhutan, India, Nepal, Maldives, Pakistan and Sri Lanka. Non-SA countries include Guyana, Trinidad and Tobago, Kenya, Fiji and Tanzania, among others (listed in descending frequency).
