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.
PCOS is the most common cause of infertility among women. The disorder causes anovulatory infertility, in which there is an absence of ovulation. Ovulation is the reproductive process in which the ovaries produce a mature egg every month that may, or may not, get fertilized by sperm. There is no cure for PCOS.