I wouldn't change anything, unless I started to get signs of gyno. The risks of having slightly elevated e2 levels for a few weeks are probably nil.
Also, are you on TRT?
Like you said, we can't tell you how much it will raise your e2... but 250iu of HCG eod coupled with 200mg T per week did get people into supraphysiologic testosterone levels. You could expect "more" aromatisation at that point compared to a lower, normal range. (see Low-Dose Human Chorionic Gonadotropin Maintains Intratesticular Testosterone in Normal Men with Testosterone-Induced Gonadotropin Suppression -
http://j***.endojournals.org/content/90/5/2595.full for more)
the forum site is blanking out that url but it is
j c e m