I am 17 weeks pregnant. My level is today 123 nmol/l (49 ng/ml). One month a go i was 49 nmol/l (19 ng/ml). I was taking 50 000 IU a week and going to solarium! My MD thinks I do not need to take D vitamin any more. But on the day i give blood i had 8000 IU D. Does it give false positive results? And what a mount should i take now?

Asked by  kellikalli66400600 on March 9, 2015

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  • kellikalli66400600
    Participant
     kellikalli66400600 on

    See title

    Answered by  kellikalli66400600 on

  • IAW
    Participant
     IAW on

    Your MD is wrong! If you do not continue to take supplements or get equivalent sun exposure, your levels will plummet. (Also make sure you take D3 and NOT D2.)
    The blood test does not give false positives so as you can see when you took the 8000 iu you had a good blood level!
    Here is a very good article that you should read at http://www.vitamindcouncil.org/further-topics/vitamin-d-during-pregnancy-and-breastfeeding/. After reading it you will see why you should be taking somewhere between 6000iu to 10,000iu a day.

    Answered by  IAW on

  • kellikalli66400600
    Participant
     kellikalli66400600 on

    Yes, i do take D3! ( 3 days a week 10 000 IU and 4 days a week 5000 IU.) My understanding was that once i achieve the level 50 ng/ml then to maintain it i need 900 IU?! Like this https://www.vitamindcouncil.org/further-topics/i-tested-my-vitamin-d-level-what-do-my-results-mean/# Did i get it wrong?

    Answered by  kellikalli66400600 on

  • IAW
    Participant
     IAW on

    What that article is trying to do is to give you an idea if you start at a certain blood level, how you can proceed to a goal of a different level. Let’s pretend you are not pregnant at the moment. So you started at 19ng/ml and you weigh exactly 150lbs. You would need to take 4900 iu per day to “reach and maintain” a blood level of 50 ng/ml. If you had started at 45ng/ml and weighed 150lbs and wanted to reach 50ng/ml then you would only need to take 900 iu a day. So say for example you live in Florida and work outside and your blood level is 45 ng/ml but you want to be at 50 ng/ml because you know it is better for you. Then you only need to take the 900 iu. So it’s based on what level you started at because unless something drastic happens and you move to the equator (and go outside) will your levels change and you would no longer need to take the supplements.
    Having said that if you do get a lot (not just two hours on the weekend) of sun in the summer you can conceivable cut back on your Vitamin D supplements for the summer.
    I would not take any less than 6000 iu and maybe you could get retested in a month or better yet keep doing what you are doing now. (Total of 50,000 iu / 7 days = 7100 iu)

    Answered by  IAW on

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