Table 1. Windows of exposure to the 1959–1961 Chinese Great Famine in the 1957–1964 birth cohort, Zhongshan and Nanhai municipalities, Guangdong province, China.

Date of birth (mm/dd/yyyy)	Exposure to the famine (January 1959 - September 1961)	Age in 2010 (years)
01/01/1957-12/31/1958	Infancy (<2 years postnatal) only	51–53
01/01/1959-09/30/1961	Both fetal development and infancy	49–51
10/01/1961-06/30/1962	Fetal development only	48–49
10/01/1961-12/31/1961	1st, 2nd and 3rd trimester	49
01/01/1962-03/31/1962	1st and 2nd trimester	48
04/01/1962-06/30/1962	1st trimester only	48
07/01/1962-12/31/1964	No exposure (reference group)	46–48