The threat or experience of treatment related infertility can lead to psychological distress 3, and many patients are interested in maintaining fertility and future reproductive function at the time of cancer diagnosis 4, 5 <a href=http://doxycycline.world/>doxycycline breastfeeding</a> Therefore, although the levels of CDK2 and CDK4 remain unaltered after I3C and or tamoxifen treatment, we examined the potential effects of I3C and tamoxifen on G 1 CDK specific activities