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.
For pregnant women, CONCEPTDATEFLAG (V223) indicates the completeness of information relating to the date of conception of their current pregnancy. According to the DHS Recode Manuals, "This variable indicates whether the date of conception was exactly specified by the duration of the current pregnancy or the duration was imputed from other information."
The related variable DURCURPREG reports the duration of the current pregnancy.