Are you talking about the injections that are given in the butt? If so, have done them up to week 12 or 13 forget which and they aren't that bad....although you do get welts (sp?) and they can become itchy.
I did the progesterone shots and suppositories. Twice a week isn't bad. Just rotate cheeks and try not to hit the exact same spot each time and it won't get too sore.
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Re: On Progesterone?