Figure 3From: The Cohort for Childhood Origin of Asthma and allergic diseases (COCOA) study: design, rationale and methods Current status of the COCOA study. A total of 1871 pregnant women have consented to participate in COCOA. Of these, 294 have withdrawn their consent and 35 have been lost to follow up. In addition, 82 women have been excluded, the most common reason being preterm birth. The remaining 1460 women have delivered 1364 infants, including 28 pairs of twins.Back to article page