Key term: subfecundity

Article 1999;25 suppl 1:64-65   pdf
Time to pregnancy and occupational lead exposure
Joffe M, Bisanti L, Apostoli P, Shah N, Kiss P, Dale A, Roeleveld N, Lindbohm M-L, Sallmen M, Bonde JPE, Asclepios
 
Article 1999;25 suppl 1:8-9   pdf
Methods for obtaining valid data on time to pregnancy among men and women
Joffe M