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In biology and medicine, gravidity and parity are the number of times a female has been pregnant (gravidity) and carried the pregnancies to a viable gestational age (parity). [1] These two terms are usually coupled, sometimes with additional terms, to indicate more details of the female's obstetric history. [ 2 ]
Gravidus and gravid come from the Latin word meaning "heavy" and a pregnant female is sometimes referred to as a gravida. [19] Gravidity refers to the number of times that a female has been pregnant. Similarly, the term parity is used for the number of times that a female carries a pregnancy to a viable stage. [20]
Parity learning, a problem in machine learning; Parity of even and odd functions; Parity (physics), a symmetry property of physical quantities or processes under spatial inversion; Parity (biology), the number of times a female has given birth; gravidity and parity represent pregnancy and viability, respectively
For example, if there is a gestational age based on the beginning of the last menstrual period of 9.0 weeks, and a first-trimester obstetric ultrasonography gives an estimated gestational age of 10.0 weeks (with a 2 SD variability of ±8% of the estimate, thereby giving a variability of ±0.8 weeks), the difference of 1.0 weeks between the ...
Montevideo units are a method of measuring uterine performance during labor.They were created in 1949 by two physicians, Roberto Caldeyro-Barcia and Hermogenes Alvarez, from Montevideo, Uruguay.
Definition: Relationship between the longitudinal axis of fetus and mother: longitudinal (resulting in either cephalic or breech presentation) oblique (unstable, will eventually become either transverse or longitudinal) transverse (resulting in shoulder presentation) back up; back down (indication for vertical uterine incision during cesarean ...
Patient identification: Patient Name, Gravida Para, Patient ID Number, Date of Admission, Ruptured Membranes [6] Time: It is recorded at an interval of one hour. Zero time for spontaneous labour is time of admission in the labour ward and for induced labour is time of induction. Fetal heart rate: It is recorded at an interval of thirty minutes.
About 80% of childbirths occur between 37 and 41 weeks of gestational age, with a somewhat more narrow span when based on first trimester ultrasound. [ 11 ] Given that these gestation lengths are only estimates of an average, it is helpful to consider gestation time as a range of dates rather than as a single "due date".