achilles
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yes it is... the head is said to be engaged when it is at '0' station i.e. at the level of the ischial spines. +4 is the pelvic floor and -4 is when the baby just starts to enter the pelvis.
hope that helps.
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| mesh
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hey thanks achilles........
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| neo335
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hi... agreed that when the head crosses 0 station.. implies it has engaged.. but are there 4 stations or only 3? i read in kaplan of -3 to +3 stations... can u correct me if i am wrong? thank u
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| p53
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'There are two systems of measuring how far above or below the presenting part is. One divides the distance to the pelvic inlet into thirds and thus station is - 3 to 0 and then 0 to + 3. The other method uses centimeters, which gives stations of - 5 to + 5.'
form 'Blueprints Obstetrics and Gynecology'.
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| neo335
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thank you p53.... lets keep this obg forum alive by postng more questions..
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| achilles
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hi guys, i checked myself and it was indeed 3 stations and not 4...thanks for correcting me too and my apologies ...
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| achilles
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just attaching a picture i found...thanks again for correcting me.
Attached Files:
8741W.jpg (37 KB, 18 downloads)
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" it's not whether you get knocked down, it's whether you get up"
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| achilles
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and i agree with neo335...lets keep asking more questions and keep the forum alive...it always helps to keep the discussion going on...
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| ujaala
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hi! i had a look at the pic attached by achilles . it says ., large baby at 41 weeks engaged at -2 station..
so i think that engagement occurs when the fetal head enters the true pelvis = -3 station
0 station is when it has reached the ischial spines
+3 station when crowning takes place at the pelvic outlet..
tht is , 0 station and + r reached only during the labor but engagement can occur (esp in primigravida) 2 to 4 weeks b4 onset of labor...we call it tht the "head is fixed " on abdominal examination
plz correct me if i m wrong...
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