A further reduction of fertility would be possible if family planning were spread to the parts of the world which do not yet have it (notably Africa).
Women's education, which has been a powerful force in reducing mortality discrimination against women and also in achieving other important social objectives such as the reduction of fertility rates, has not been able to eliminate, at least not yet, natality discrimination.
It is intringuing that the Montpellier subline shows no significant reduction of fertility, as one would expect from the high instability and high levels of transcription of I elements.
The MiTI was strongly effective in reduction of fertility and fecundity which persisted for successive generations.
For IPAA, more extensive surgery is needed (including pelvic dissection), causing reduction of fertility and worse bowel function.
In the presence of a large excess of females, the observed reduction of fertility is likely explained by the limiting amount of sperm produced by mutant males.
Reduction of fertility: %RF = 100 [1- WLV/WLC)] WLV: Mean weight of the larvae per gram of eggs in the vaccinated group.
The reduction of fertility was similar in the three genotype groups (null, I2splice, and I172N) compared with age-matched national data (P<0.001).
Singh et al. [ 126] observed that polyclonal antibody raised against a 16 kDa human sperm protein when administered passively in female mice resulted in reduction of fertility.
It's well known that current use is a better measure of contraceptive prevalence as it measures the actual contraceptive practice at a particular point in time and correctly determines the reduction of fertility attributable to the contraceptive [ 17].
