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NL888 Posted 18 years ago
Grammar

what for?

0 The following context is about medicine research, a bit hard to read. But what I need most is your grammatical instruction:02br
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01b00Hyperglycemia and Adverse Pregnancy Outcomes02b02br
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00The HAPO Study Cooperative Research Group 02br
00May 8, 2008 02br
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01b00ABSTRACT02b02br
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00Background It is controversial whether maternal hyperglycemia less severe than that in diabetes mellitus is associated with increased risks of adverse pregnancy outcomes. 02br
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00Methods A total of 25,505 pregnant women at 15 centers in nine countries underwent 75-g oral glucose-tolerance testing at 24 to 32 weeks of gestation. 01font00Data remained blinded02font00 if the fasting plasma glucose level was 105 mg per deciliter (5.8 mmol per liter) or less and the 2-hour plasma glucose level was 200 mg per deciliter (11.1 mmol per liter) or less. 01font00Primary outcomes were birth weight above the 90th percentile for gestational age, primary cesarean delivery, clinically diagnosed neonatal hypoglycemia,02font00 and cord-blood serum C-peptide level above the 90th percentile. Secondary outcomes were delivery before 37 weeks of gestation, shoulder dystocia or birth injury, need for intensive neonatal care, hyperbilirubinemia, and preeclampsia. 02br
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001) The data remained blinded? Reminded blinded 01font00for02font00 who? Remained blinded for investigators/for performers of the study?02br
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002) Does the primary outcome refer to the first time outcome of oral 00glucose-tolerance testing? 02br
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00 Primary outcomes were: (1) birth weight above the 02br
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0090th percentile for gestational age, (2) primary 02br
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00cesarean delivery, (3) clinically diagnosed neonatal 02br
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00hypoglycemia, and (4) cord-blood serum C-peptide level 02br
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00above the 90th percentile?02br
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003) What does "birth weight above the 0090th percentile for gestational age" mean? 02br
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Top answer

1blockquote 01cite 10NL88812cite 10 103) What does "birth weight above the 1090th percentile for gestational age" mean? 12blockquote 10Normal human gestation period is 9 months. These are all cesareans @ between 24 and 32 weeks.

— Avangi

  • 1blockquote 01cite 10NL88812cite 10 103) What does "birth weight above the 1090th percentile for gestational age" mean?
  • 12blockquote 10Normal human gestation period is 9 months.
  • These are all cesareans @ between 24 and 32 weeks.
  • If you plot the birth weights of all the babies, either by number of days or number of weeks, and look at all the weights for, let's say, 29 weeks; and arrange them in order of magnitude, and then take the top ten percent of those; then 01b 00those02b 00 babies would have birth weights above the 90th percentile of all the babies with a gestation period of 29 weeks.
  • 02br 02br 00Sorry, I was going to do all, but I have an appointment.
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4 Answers
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1blockquote
01cite10NL88812cite10 103) What does "birth weight above the 1090th percentile for gestational age" mean? 12blockquote
10Normal human gestation period is 9 months. These are all cesareans @ between 24 and 32 weeks. If you plot the birth weights of all the babies, either by number of days or number of weeks, and loo
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0Thank you Avangi.02br
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00 I'd wait until some one else replies the other questions.0-
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0Hi NL888,02br
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00I guess I was in too much of a hurry. The 24 - 32 weeks was not the duration of the pregnancies at the time of the cesarean, as I first understood, but rather the points where the glucose tolerance tests were performed.02br
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00I now must assume that an independent source of standardized data was used to determine where the babies
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0 Thanks Avangi.02br
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00 No wonder reading your first post added to my puzzling with more confusion. But thankfully I now got it clearly.0-
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