Additionally, for appropriate gestational ages, The The OB Wheel Pro 7 estimates fetal weight and displays the number of days completed and remaining. The other group was examined at 22, 26, 30, 34, 38 and 41 weeks 3 days. Keywords Amniotic fluid index; Pregnancy; Obstetric care ; Ultrasound scan Introduction Ultrasound assessment of amniotic fluid has significant implication in obstetric care and it has become an integral and important component of pregnancy assessment [ 1 , 2 ]. Materials and Methods This was a comparative longitudinal prospective assessment of amniotic fluid index in healthy pregnant women with singleton pregnancies. It can be either a subjective assessment visualization without ultrasonic measurements , a semi quantitative estimation using the single deepest pocket otherwise equivalent to maximum vertical pocket depth, amniotic fluid index [ 14 , 20 , 21 ] 2 diameter pocket [ 22 ] or 3 dimensional measurements [ 23 ]. Its evaluation is vital for predicting fetal well-being as abnormalities of amniotic fluid are often associated with fetal mortality, morbidity and anomaly [ 3 , 4 ]. Included were all pregnant women who had given consent and with; singleton cephalic presenting pregnancy, reliable dating of gestational age regular menstrual cycle , certain first day of the last normal menstrual period and no form of contraception in the last 6 months of conception , confirmed last menstrual period by ultrasound scan done before 20 weeks of gestation and dating in agreement to within 7 days. July 20, Citation:
The results were stratified by week of gestation. It can be either a subjective assessment visualization without ultrasonic measurements , a semi quantitative estimation using the single deepest pocket otherwise equivalent to maximum vertical pocket depth, amniotic fluid index [ 14 , 20 , 21 ] 2 diameter pocket [ 22 ] or 3 dimensional measurements [ 23 ]. All these assessments were at no extra cost to the patient. It reflects both mother and fetal status [ 12 ]. The maintenance of appropriate amniotic fluid volume for gestational age remains an important and integral component for fetal well-being determination [ 13 ]. June 19, ; Accepted date: It is therefore necessary that the normal values of the amniotic fluid across the gestational age be established [ 1 ]. The OB Wheel Pro 7 accurately determines the estimated delivery date EDD , or due date, of a pregnancy based on the first day of a woman's last menstrual period LMP , or from the date of conception, or from a known gestational age GA on a known date, e. Subjects who did not meet above inclusion criteria or decline consent to participate were excluded. The study showed AFI rising from 20 weeks to 28 weeks and thereafter, demonstrated steady but gradual decline as pregnancy advances. In just ONE app there is 1 a gestational age calculator, 2 an ultrasound biometric calculator, 3 a fetal weight calculator, 4 a list of key weeks and trimesters, 5 an age-adjusted risk table for trisomy 21 and aneuploidy, 6 a BMI calculator, and NOW 7 an Apple Watch app is included with your purchase! Keywords Amniotic fluid index; Pregnancy; Obstetric care ; Ultrasound scan Introduction Ultrasound assessment of amniotic fluid has significant implication in obstetric care and it has become an integral and important component of pregnancy assessment [ 1 , 2 ]. Amniotic fluid index is reported to vary not only with gestation [ 12 ] but also with population [ 3 ]. Results A total of 5 women were excluded out of the 86 recruited for the study due to development of antenatal complications capable of interfering with Amniotic fluid volume. Several studies on amniotic fluid index have demonstrated serial changes in mean AFI values weekly with threshold for oligohydramnios and polyhydramnios during pregnancy [ 3 , 26 - 28 ]. The OB Wheel Pro 7 lets providers see at a glance when these items should be scheduled. This study was designed to determine normal values of amniotic fluid volumes for single uncomplicated pregnancies in our center. Table 1 describes the descriptive data for AFI. Of the three methods, the amniotic fluid index, developed by Phelan and colleagues, which better reflects the intrauterine content, seems to be more advantageous than the measurement of the single deepest amniotic fluid pouch, and has been recommended as the optimum approach with reliable validity [ 24 , 25 ]. The technical bulletin on obstetric ultrasonography from The American College of Obstetrician and Gynecology states that amniotic fluid index is a more accurate and reproducible method of determining abnormalities in amniotic fluid volume than are other techniques [ 26 ]. One group of subjects had examinations at 20, 24, 28, 32, 36 and 40 weeks. While 2 each developed Hypertensive disease in pregnancy and Diabetic mellitus in pregnancy, 1 had spontaneous miscarriage. A number of methods of amniotic fluid assessment have been evaluated; this ultrasonic evaluation of the amount of amniotic fluid remains the preferred approach to amniotic fluid estimation in clinical practice simply because it is widely available and is non-invasive [ 14 - 19 ]. Thus, evaluation of normal values in different population may be considered necessary. The age range of the study subjects was 15 to 44 years with a mean age of 28 years.
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