DW: due week....DT: due date

الأسبوع المتوقع/التاريخ المتوقع

تقريبا خاص بحساب اليوم الذي يمكن فيه حدوث حمل

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Note added at 38 mins (2020-01-18 19:18:13 GMT)
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Pregnancy Due Date Calculator: How Many Weeks Pregnant ...
https://www.whattoexpect.com › due-date-calculator
Choose from a variety of ways to predict your due date. ... Most pregnancies last around 40 weeks (or 38 weeks from conception), so typically the best way to estimate your due date is to count 40 weeks, or 280 days, from the first day of your last menstrual period (LMP).

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Note added at 46 mins (2020-01-18 19:27:07 GMT)
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DT: Due time

االوفت المتوقع

Such details can be included in medical reports.

I am not sure for writing the date of the week or the date and time they would use abbreviations. But, could be they record the date of some vaccination such as DT and the date DW added or injected.

DW ماء مقطر distilled water

DT الهذيان الحاد delirium tremens

It also depends on the content of the Medical Report: