Moreover, these data entry errors would be hard to detect: Only 0.06% of the errors were blank or outside of the allowable range for the variables. Thus, researchers cannot rely upon histograms and frequency tables to detect data entry errors.
Answer Wiki. Isotretinoin does not cause infertility; what it does cause is devastating birth defects if a woman becomes pregnant while using it. For a female: you have to use totally reliable birth control-that would be the IUD or the implant-to be certain you do not conceive.
Causes of infertility. Infertility can be caused by many different things. For 25% of couples, a cause can't be identified. This page covers the possible causes of infertility in men and women. Infertility in women. Infertility is most commonly caused by problems with ovulation, the monthly release of an egg. Some problems stop an egg being released at all, while others prevent an egg being released during some cycles but not others.