Going to a FS is not an option right now with OH's reluctance to involve science. I don't want to call my OB again right now with this question, because they graciously referred me no questions asked to the FS, but I am curious about some of my options.
I know about CD3 and CD21 testing, and that there are many other tests that can be done to figure out if I really do have fertility issues.
My question is:
What kinds of testing can my reg OB do for me, if any? Do I HAVE to see a FS to get any kind of preliminary answers?
I asked for US girls to respond, because I assume (I could be wrong) that these things are handled differently depending on location.
Yes, there is a lot your primary ob/gyn can do for you. Do the cd3 blood work (which should include FSH, LH, and estradiol. I've also heard that AMH is an even better test, but I haven't had one of those done and I'm not sure which day you need to be on to have it tested). Also, as opposed to cd21, I would do 7dpo testing. It all depends on when you ovulate. I ovulate cd16-19, NOT cd14, so cd21 blood work would basically be irrelevant for me because being off by 3-4 days is a big deal. I also strongly encourage you to have your thyroid checked as well.
You can have an ultrasound done in your OBs office to check and make sure everything structurally looks good.
You can also have an HSG done. This is a procedure where dye is filtered up into your tubes and an xray is taken to see if the tubes are open. It sounds horrible, but it's not that bad and the information can be very helpful.
Your husband can have his labs checked, including testosterone, and he can have a check up/physical at a urologist. We had to do this prior to going for IUI. I would also highly recommend a semen analysis. I know that we had to go to the fertility clinic to have ours done. Neither my ob/gyn nor the urologist did those.
Some ob/gyns will even do clomid with monitoring and IUI! I know that you said you weren't interested, but you could possibly avoid the fertility specialist and instead just see your doc if it's the particular doc you're trying to avoid.
In addition to all of that, I tell everyone to read "Taking Charge Of Your Fertility" by Toni Weschler (not sure if you've read it, or if you've done bbt). It is basically a guide to unlocking your bodies fertility secrets. And once you learn it, it can be very valuable in determining when you're most fertile to time bd to the biggest advantage. It shows you how to bbt, which is a wonderful way to help determine if there are any problems going on with your cycle. I actually take mine in to the FS if I'm going for treatment. She can glance at it and decide if I need progesterone/clomid, etc. It's really quite helpful.
I'll try to remember if there is anything else.
Good luck.