Professional Reference articles are designed for health professionals to use. They are written by UK doctors and based on research evidence, UK and European Guidelines, so you may find the language more technical than the condition leaflets. This pregnancy due date calculator will give you a rough idea of when your baby should be born. If you know the date of the first day of your last menstrual period LMP , or have already had your first ultrasound scan, you can use this tool. Please remember that the result will not necessarily be the day that your baby arrives.
Dating Scan during Pregnancy: Procedure, Accuracy & Drawbacks
Objective: To determine the level of agreement between the Clearblue Digital Pregnancy Test with Conception Indicator home pregnancy test and standard-of-care ultrasound in assessing pregnancy duration in a real-life, observational setting encompassing routine, clinical care. Research design and methods: This was a prospective observational study of non-pregnant women seeking conception. Women collected daily urine samples from day 1 of their next menstrual cycle. If any volunteer became pregnant, daily urine samples continued to be collected for 43 days after the LH surge. Information from the standard UK ultrasound dating scan was also recorded by the midwife, including the expected delivery date according to ultrasound and the expected delivery date according to LMP. Main outcome measures: Full data were available from 52 pregnant women who had conceived naturally. During the study analysis, urine samples were cross-compared with 52 routine week NHS ultrasound assessments and the level of agreement between home pregnancy testing and standard-of-care ultrasound in determining pregnancy duration was calculated.
Estimates of your due date, skupski et al Avoid numerous scans and 4 days before my lmp. Any calculation of conception date, how due date and we.
Original date given was 18 December but at the scan it was moved to 31 Dec. Unless you have an early pregnancy scan most of you will be given your estimated due date at the week scan. Of course you have probably already used an online due date calculator.