Profasi® is the brand name for hCG manufactured by Serono Labs. It is used in fertility treatment not to help a woman develop eggs, but to help the eggs she has developed (usually through other fertility meds) break through the follicle, or ovulate.

So with that in mind...

I'll assume that your pregnancy test question involves your use of Profasi. It's a good question, because hCG (which is the hormone contained within Profasi) stands for human chorionic gonadotropin, and is the hormone secreted by the placenta after conception. It is the hormone which home pregnancy tests are trying to detect. So it is the case that if you're having injections of hCG (such as Profasi), then you could render a false positive on a pregnancy test.

To avoid such false positives, you should take a pregnancy test at basically the same time that you would had you not used hCG, and not any earlier. Ask your doctor for a specific test date to be sure.

Answers to your other questions are very situation specific:

• Chances of Profasi working depend on the quality of follicle and egg that you are producing, on your other hormone levels, etc.
• How long (that is, for how many cycles) one uses Profasi depends on the results and need. If a woman cannot ovulate without Profasi, then it is highly indicated and may be used through continuous cycles, even if you change your other fertility meds.
• The next step really has more to do with your other fertility meds, as they are the ones which help a woman actually develop and produce eggs. Profasi just helps them spring out of their follicle.

On the dosage, again, it is situation specific, based on several factors (such as your weight, other drugs being used, etc.), but in general you probably won't be using more than 10,000 USP units according to the drug's fine print.