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  1. #1
    Join Date
    Oct 2012
    Location
    USA
    Posts
    278

    Specific question about Day 3 blood test

    I have a very specific question, but was hoping someone who has either had one or knows what they're talking about could answer for me...

    Due to my irregular/long cycles and inability to so far conceive, my doctor is having me do some blood work. I need to have blood drawn on Day 3 of my cycle and Day 21.

    My unpredictable AF appeared yesterday, making Day 3 fall on a Sunday - when the lab is closed. Can I have my blood drawn on Monday (when it's open) even though it's Day 4?

    I looked it up online and have read that anywhere from Day 2-4 is fine, but I was hoping to confirm this. I tried calling my doctor's office yesterday to ask, but they have short hours on Fridays and were already closed.

    On Day 3 they are checking my FSH, estradiol and anti-mullerian hormone....

    Anybody know? Maybe @Blade? Thanks so much in advance!
    TTC #1

  2. #3
    Join Date
    Oct 2012
    Location
    USA
    Posts
    278
    Thank you @labmama! I will follow your advice and hopefully it'll all be fine.
    TTC #1

  3. #5
    Join Date
    Oct 2011
    Location
    Emerald City
    Posts
    508
    Is the lab open on the weekend? If so then the dr can always send an order for the labs over, and you can drop by (you may need to call the clinic office and/or have the on-call provider paged [they don't like that tho]).

    Let us know what you do!!
    Last edited by poppy528; December 31st, 2013 at 02:59 PM. Reason: post redaction
    “And remember, my sentimental friend, that a heart is not judged by how much you love, but by how much you are loved by others.” L. Frank Baum, The Wizard of Oz

  4. #7
    Join Date
    Oct 2012
    Location
    USA
    Posts
    278
    The lab is only open on Saturdays not Sundays, so I will just got on Monday. However I think it will have be Monday afternoon and not morning due to work. Hope that's fine...
    TTC #1

  5. #9
    Join Date
    Jan 2013
    Location
    SD, CA
    Posts
    360
    I am not an MD, but I do work in reproductive medicine and order Day 3 hormone panels all of the time. Day 4 is fine. Day 3 is ideal, but like you mentioned, Days 2-4 work just fine.

    Also, as a side note, AMH can be measured at any time of the cycle as it does not shift throughout the menstrual cycle the way the way other hormones like FSH, LH, E2, prog, etc. do.

    I hope your labs give you and your MD some good, clear information to work with.

    Good luck!

    edit: I just wanted to add, your 2nd draw may or may not give you clear information if you get it drawn on Day 21. The Day 21 blood draw is to measure progesterone levels in the blood. The corpus luteum is what remains of the ovarian follicle following the eruption of a mature egg/ovum at ovulation. It produces progesterone to prepare and thicken the endometrial lining of the uterus for implantation. The Day 21 blood draw will confirm that ovulation has occurred and will measure progesterone levels to determine if adequate levels are present. This test presupposes that you have a 26-30 day cycle and that you ovulated between days 12 and 16. If you have very irregular cycles, you may not even ovulate by Day 21. It's important to consider that when doing a Day 21 test with a woman that has very irregular cycles.
    Last edited by sdsurfmama; April 21st, 2013 at 02:01 AM.
    Mama to
    Desmond Sanders, born 7/2013
    and dog son, Lambeau

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