Cuántas semanas de embarazo tenía usted cuando ___ nació?
Ns/Nr=88
Categories
Value
Category
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
88
NS/NR
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.