So you take Clomid for 21 days?
Most of the cycles I've seen only show doing it for two weeks after a cycle. Then the recommended daily dosages don't exceed 250 mg on the first day and 50mg every day thereafter.
Taking it for an extra week seems like a reasonable precaution, but wouldn't taking such high dosages make some people more susceptible to dizziness, nausea, and stomach cramps which are some of the more common side effects of Clomid?
Ditto on taking Nolvadex "during" your cycle not after.