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.
Side Effects. Side effects from the use of tretinoin cream may include facial peeling, redness and itch. This cream should be used only on the face. Do not use tretinoin cream if pregnant or planning a pregnancy.This cream will be found in breast milk if used while pregnant or in the time before becoming pregnant.Tretinoin may also cause sun sensitivity and increased risk of sunburn.ide Effects. Side effects from the use of tretinoin cream may include facial peeling, redness and itch. This cream should be used only on the face. Do not use tretinoin cream if pregnant or planning a pregnancy. This cream will be found in breast milk if used while pregnant or in the time before becoming pregnant.