The figures for the January-to-June period, published on Thursday evening, are expected to show Glamour building on its circulation of 436,579 at the last ABC, which saw it trail Cosmopolitan by 26,000.
Emap's Heat magazine is the other major success in the latest round of ABC figures, which are expected to show its circulation rising by more than 100 per cent year on year to close to 500,000.
IPC Media's Now posted double-digit growth, keeping its top slot in women's weeklies. Hello! and OK! also recorded significant increases.
IPC Media's InStyle has recorded growth of more than 10 per cent and Emap's Elle has also recorded a significant increase. Red, New Woman and Top Sante are expected to record their highest ever ABC figure. IPC's Marie Claire, which gained ground in the last round of ABCs, will continue its increase.
In the men's lifestyle market, which has been stable, Emap's FHM and IPC's Loaded posted slight increases.