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» Aipgmee 08 paper (mcqs) with explainations
switch over of HbF to HbA ?? EmptyWed Jan 16, 2008 12:01 am by Admin

» Official website address
switch over of HbF to HbA ?? EmptyFri Jan 11, 2008 4:10 pm by Admin

» BIOSTATS:::"SAMPLING ERROR"--
switch over of HbF to HbA ?? EmptySat Dec 22, 2007 12:15 am by drspawar

» subjectwise or year wise?
switch over of HbF to HbA ?? EmptyFri Dec 21, 2007 3:06 pm by khox

» WHICH VIRUS IS TRANSPORTED BY NEUTROPHILS---
switch over of HbF to HbA ?? EmptyFri Dec 21, 2007 12:57 pm by nomoredoc

» IN SUSPECTED URETERIC INJURY AT PELVIC SURGERY
switch over of HbF to HbA ?? EmptyFri Dec 21, 2007 12:48 pm by nomoredoc

» WHAT IS THE PROBABLE DIAGNOSIS?
switch over of HbF to HbA ?? EmptyFri Dec 21, 2007 12:33 am by drbond

» IN T/T OF PSORIASIS---
switch over of HbF to HbA ?? EmptyThu Dec 20, 2007 7:10 pm by dpkmenon

» KARYOTYPING IS DONE WITH--
switch over of HbF to HbA ?? EmptyThu Dec 20, 2007 6:16 pm by sia

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switch over of HbF to HbA ??

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switch over of HbF to HbA ?? Empty switch over of HbF to HbA ??

Post by abhizluv on Wed Nov 21, 2007 5:00 pm

when does switch over of HbF to HbA occours.....

14 wks
32 wks
34 wks
36 wks


or is it like it starts around 8mth ( ???? wks ???? ) intrauterine life n 90% HbA is seen by 6 mth after being born ???

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switch over of HbF to HbA ?? Empty Re: switch over of HbF to HbA ??

Post by abhizluv on Thu Nov 22, 2007 8:17 am

please refer lipincott 3e page 33.. as this is different from the answers found in different mcq books which say either 14 weeks or 32 weeks .. n when answering please mention in weeks as 8mths can = to 32 /34 weeks Smile


but c lipincott e3 pg 33 it clearly says....HbA synthesis starts around 8mth ( ???? wks ???? ) intrauterine life n 90% HbA is seen by 6 mth after birth !! please quote ur reference dr_atif !!!!!!!


in ak jain HbA production starts around 5th month = 20 weeks ?????

_________________
I wonder....
What makes a man a Man ...
Is it the choices he makes ...;
Its not how he begins things ...
But how he finishes them makes the Difference.......... Abhi Smile


RULES : http://mpge.forumotion.com/start-your-own-topic-here-f26/rules-of-mpge-t166.htm?sid=1e6a39ab54b4a898a543bdf0d6eb5269
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switch over of HbF to HbA ?? Empty Re: switch over of HbF to HbA ??

Post by dr dream on Mon Dec 10, 2007 4:55 pm

hb f at 4 week of ontrauterine life
20, 40, 60, 80
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switch over of HbF to HbA ?? Empty Re: switch over of HbF to HbA ??

Post by drspawar on Tue Dec 11, 2007 2:24 am

dr dream the question in DNB was- HbF at 4mnths in a child?
fetal Hb is equal to adult Hb at 2 mnths of age.i.e 50%
complete change over to adult Hb is between 6mnths to 8mnths.

so, at 4 mnths HbF should be around 20-40%.
its confusing!!! answer is 20 or 40.
i hope someone tells us with reference soon! scratch
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switch over of HbF to HbA ?? Empty Re: switch over of HbF to HbA ??

Post by dr dream on Tue Dec 11, 2007 11:50 am

oh sorry yaar thanks for correction
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