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2. Estimated date of delivery - Wikipedia

   en.wikipedia.org/wiki/Estimated_date_of_delivery

   Here's the formula to calculate your Estimated Due Date using Naegele's rule : Date of Last Menstrual Period + 7 Days + 9 Calendar Months = Date of Estimated Date of Delivery. Example: LMP = 8 May 2020. +1 year = 8 May 2021. −3 months = 8 February 2021.

3. Crown-rump length - Wikipedia

   en.wikipedia.org/wiki/Crown-rump_length

   An ultrasound showing an embryo measured to have a crown-rump length of 1.67 cm and estimated to have a gestational age of 8 weeks and 1 day. Crown-rump length ( CRL) is the measurement of the length of human embryos and fetuses from the top of the head (crown) to the bottom of the buttocks (rump). It is typically determined from ultrasound ...

4. Gestational age - Wikipedia

   en.wikipedia.org/wiki/Gestational_age

   An estimated due date is given by Naegele's rule. According to the WHO, a preterm birth is defined as "babies born alive before 37 weeks of pregnancy are completed." [20] According to this classification, there are three sub-categories of preterm birth, based on gestational age: extremely preterm (fewer than 28 weeks), very preterm (28 to 32 ...

5. Pregnancy - Wikipedia

   en.wikipedia.org/wiki/Pregnancy

   Estimation of due date Distribution of gestational age at childbirth among singleton live births, given both when gestational age is estimated by first trimester ultrasound and directly by last menstrual period. Roughly 80% of births occur between 37 and 41 weeks of gestational age.

6. Amniotic fluid index - Wikipedia

   en.wikipedia.org/wiki/Amniotic_fluid_index

   Amniotic fluid index ( AFI) is a quantitative estimate of amniotic fluid [1] and an indicator of fetal well-being. It is a separate measurement from the biophysical profile. [1] AFI is the score (expressed in centimetres) given to the amount of amniotic fluid seen on ultrasonography of a pregnant uterus. To determine the AFI, doctors may use a ...

7. New screening tool can identify preeclampsia risk sooner ...

   www.aol.com/news/screening-tool-identify-pree...

   It’s the first and only test of its kind available in the United States that can be used between 11 and 14 weeks gestation to determine the risk of preeclampsia before 34 weeks of pregnancy, its ...