Short Luteal Phase - Vitamin B6 dosage and timing question - Mothering Forums
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#1 of 4 Old 10-12-2011, 09:10 PM - Thread Starter
 
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I have a short luteal phase and found (after a lot of research) that vitamin B6 can help to correct it.  It worked when TTC my daughter (now almost 2 y.o.), but I unfortunately didn't write down how much of it I took and how long I took it.  I can't remember how long after a positive preg test you should take it, if at all, and if I tapered off the dose, or just stopped entirely.  Does anyone have any idea?  

 

Thanks!

 

Whitney, mama to a very chatty little redhead


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#2 of 4 Old 10-13-2011, 06:58 AM
 
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I take 150mg a day but I think that's at the top end of the scale of what is considered safe. I take 100mg B6 separately and my prenatal, that I take twice a day, has 25mg in it. It's important to take it with a B complex (especially B12).

 

My LP has lengthened from 8/9 days to 11/12 days since my cycles came back post partum. However, I'm not entirely sure my LP didn't just lengthen as my DD has been nursing less or if it was entirely the B6!

 

Also, it can affect milk supply for some people I think. I haven't really notice that.

 

I'm not sure about when to taper off. When I get  BFP I'll probably ask my MF her opinion and go from there.


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#3 of 4 Old 10-13-2011, 12:34 PM
 
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I took 50mg of B6 to lengthen mine.  I don't believe there is a need to time it or taper off it.  You should be able to take it safely throughout your pregnancy or just stop taking it once you feel secure in the pregnancy.  My understanding is that it does not work like NPC.  It's not something that you need to continue to take to sustain the pregnancy.  Rather it was something you took in order to elongate your LP enough for the pregnancy to implant successfully.  Once implantation has occurred successfully, the embryo will be the one extending the life of the corpus luteum.  I do not believe that vitamin B6 would be enough to sustain a pregnancy if your progesterone was quite low, but I'll be curious to see if others have information about this.


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#4 of 4 Old 10-13-2011, 08:29 PM
 
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I'm taking 102.5 mg of B6 per day (100 mg in a separate B6 and 2.5 mg of it in my prenatal).  My LP has increased from 8 days to 11 days in a few months.  My plan is after my BFP, to go down to 75 mg per day and take them in 25 mg increments three times per day.  The only reason I plan to do this is to help with morning sickness (aka "all day sickness") that I expect to have since it was so horrible when I was pregnant with DS.  I never tried B6 to help with that before, so I'm hoping it helps.  And the reason I'm going down to 75 mg after a BFP is because I don't want to push my limit while pregnant with how much is safe to take.... going over 100 mg like I am now makes me a bit nervous, and I want to be extra careful when pregnant.

 

Good luck Whitney!


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