Trigger shot

I had my estradiol and follicles checked today. Two looked like they could drop any minute, so the nurse practitioner – D. – administered the hCG trigger shot while I was there. (Poor C. didn’t get to “stick me” after all!)

For all the data monkeys (like me) out there, here’s a summary of my test results:

Estradiol (E2):

  • baseline estradiol (taken during infertility workup 1/26) = 25 pg/mL
  • estradiol on 4/17 (after 4 days of injections) = 281 pg/mL
  • estradiol today (4/19, after 6 days of injections) = 572 pg/mL

According to this FAQ (http://www.fertilityplus.com/faq/iui.html), the target is 200-600 pg/mL per big follicle; since I only have two big follicles, I think this means I’m good.

Follicle size & count:

  • On Wednesday (4/17) I had three visible follicles, measuring 14.5 mm, 13 mm, and 11 mm.
  • Today (4/19) the same follicles measured 18.5 mm, 16.6 mm, and 11.5 mm. Below is a picture of my biggest follicle, viewed on ultrasound. (The follicle is the black oval just left of center with the dotted cross through it). 18.5 millimeters sounded huge to me, so I posed a penny (also 18.5 mm in diameter) in the photo for reference!

Image

According to that same FAQ above, it looks like 16-18 mm is a good range for Menopur-stimulated follicles, which is consistent with what nurse D. said. She expects that the smaller one will probably not release, so we’re looking at two follicles this cycle.

Things are slightly less than ideal. For our best chances of pregnancy, our target would have been 3-4 big follicles (to increase the odds of at least one ‘good’ egg taking). But 2 is better than 1, and better than 5+ (in which case we would’ve had to cancel the cycle or risk a multiple pregnancy). In addition, it would have been better to inseminate 36 hours after the trigger shot, but since the clinic is closed on Sunday, 24 hours will have to do! Nurse D. pointed out that it’s better to inseminate early than late, since the sperm can “wait for the egg”, while the egg can’t do the same. (I’m sure there’s a sexist joke to be made there…) She also suggested BDing on Sunday to be sure…

So I’ll be back tomorrow for the insemination. Wish me luck!

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2 Comments

  1. Exactly the same the same happened to us, we had to do iui 24hrs after trigger! Good luck with your cycle!!

    Reply

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