Fig. 2From: Praziquantel decreases fecundity in Schistosoma mansoni adult worms that survive treatment: evidence from a laboratory life-history trade-offs selection studySex ratios of Schistosoma mansoni adult worms across four generations for each parasite line and praziquantel treatment regime. Each panel of the figure represents one of the four generations labelled from 1 (P1) through to 4 (F3). Values above 1 indicate an excess of females, whilst values below 1 indicate an excess of malesBack to article page