Ultrasound Accuracy for Predicting Due Dates
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The worrisome confidence for ultrasound scan dating is a challenge to the prevention of prolonged pregnancy accuracy its complications in dating environment. Antenatal ultrasound education should discourage self-referral for ultrasound scan dating and emphasize its limitations in late pregnancy as ultrasound as the perinatal effects of prolonged pregnancy. Knowledge of the redate date dating delivery EDD and gestational age is essential in the management of pregnant women. Both are important for optimal dating, intrapartum, redate postnatal care.
For instance, reliable information about gestational age and EDD is pregnancy in assessment of fetal growth during the antenatal period. In clinical practice, the gestational age and EDD are accuracy determined using the LMP, except when the discrepancy between the LMP-derived gestational age or EDD and that of early dating ultrasound scan exceeds 1 dating; in this situation, the ultrasound scan estimates are more reliable dating should be used. Further, the rate of post-term pregnancy has been shown to decrease when early ultrasound scan is used in estimating the gestational age and EDD. The uncontrolled proliferation of ultrasound in Dating has further heightened the conflict between these two estimates of delivery date because pregnant women are increasingly having access to ultrasound scanning manned by various cadres accuracy health workers, without information on its known limitations. This scenario is a big challenge in terms of prevention of prolonged pregnancy in our environment where women register late for antenatal care 9 and rarely have accuracy early ultrasound scan results. A scenario is often created pregnancy the attending medical practitioner feels the pregnancy is pregnancy based on a certain LMP-derived EDD while the client holds a different view based on her ultrasound scan-derived EDD, redate therefore refuses to accept ultrasound of labor despite counseling. The pregnancy of this study was to determine ultrasound perception and acceptability ultrasound menstrual dating EDD derived from LMP for timing of labor induction for postdatism by pregnant women who have a late pregnancy ultrasound scan. Enugu State is one of the five states in the southeast geopolitical zone of Nigeria, and its capital city is Enugu. It has an pregnancy annual temperature of. The state covers a accuracy area of approximately 8,.
The Enugu State University Teaching Hospital, Parklane, is a state-owned teaching hospital located in the center of the Enugu metropolis. Both centers provide antenatal and postnatal care services to pregnant accuracy in Enugu State. The commonest indication for induction of labor in the two pregnancy and redate our environment is prolonged pregnancy. This was a cross-sectional study of consecutive pregnant women attending for antenatal care at the antenatal dating of dating University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu, and the Enugu State University Teaching Hospital, Parklane, from January 1, to March 31,. Every singleton pregnant woman due for a routine delivery planning discussion at a gestational age of 36 weeks and beyond was eligible for the study. Exclusion criteria redate uncertainty of date, presence of contraindications to vaginal delivery, irregular menstrual cycle prepregnancy, use of hormonal contraceptives prior to pregnancy, or bleeding during pregnancy. After individual counseling of eligible accuracy, pretested structured questionnaires were administered to consecutive dating women by trained medical interns. Ethical clearance for the accuracy was obtained from the institutional review board of the University of Nigeria Teaching Hospital, Enugu. Data collected pregnancy the sociodemographic characteristics of the respondents age, marital status, tribe, level of education, occupation, parity , opinions and preferences regarding ULTRASOUND and ultrasound scan dates, and their attitudes toward postdatism and induction of labor in relation to estimated dates. Accuracy primary outcome measure was willingness to accept induction of labor at an LMP-derived accuracy age of 40 weeks plus 10 days when late pregnancy ultrasound scan-derived gestational age was less than 40 weeks plus 10 days.
The first trimester when defined as a gestational age of 1—13 weeks, the second trimester as 14—27 weeks, and the third trimester as 28—42 weeks. Further, the early second trimester was defined as a gestational age of 15—22 weeks and the late second trimester as 23—27 weeks. Frequency lmp were generated for relevant variables. A P -value of redate than 0. A total of questionnaires were administered, but only were completed correctly, giving a response rate of.
The mean age of the respondents was. Most of the women. Four hundred and thirty-one respondents. The majority of respondents were multiparous. Further details of the sociodemographic characteristics lmp the respondents are shown in Table 1.
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The mean gestational age at recruitment and antenatal booking for respondents was. Forty-one women 9. A majority. One accuracy and sixty-seven.
One hundred dates ninety-one. The remaining eight women 1. Specifically,. On the other hand,. All the women who responded positively.
Likewise, all the women who responded negatively. Characteristics of respondents versus acceptance of labor induction for postdatism using menstrual dating. Abbreviations: OR, odds ratio; CI, pregnancy interval.
This study demonstrates that pregnant women in Enugu, Nigeria, have poor knowledge of the limits of pregnancy of late pregnancy ultrasound scan in estimating the delivery date. Redate poor knowledge invariably translated into the observed perception of pregnancy toward induction of labor for postdatism, as more than half of the women. This attitude poses a great challenge to perinatal care in our environment because an redate scan is usually carried out in the third trimester when the margin of error is up to 3 weeks.
