Placental thickness on ultrasound and neonatal birthweight

Hamidi, Odessa P.; Hameroff, Avi; Kunselman, Allen R.; Curtin, William M.; Sinha, Risha; Ural, Serdar H.

doi:10.1515/jpm-2018-0100

Cited by 14 publications

(11 citation statements)

References 21 publications

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“…Additionally, good-quality blastocysts were preferred for transfer in view of patient requirements and the purpose of ART, and therefore were non-random. Furthermore, obstetric data, such as placental thickness and total gestational weight gain ( 48 ), are lacking in our database. A recent study ( 49 ) demonstrated a positive correlation between ultrasonographic placental thickness in the second trimester and birthweight.…”

Section: Discussionmentioning

confidence: 99%

Blastocyst quality and perinatal outcomes of frozen-thawed single blastocyst transfer cycles

et al. 2022

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ObjectiveTo investigate the effects of blastocyst quality and morphological grade on the perinatal outcomes in patients undergoing frozen-thawed single blastocyst transfer cycles.MethodsThis single-center retrospective cohort study included 2648 singleton neonates resulting from frozen-thawed single blastocyst transfers performed between January 2017 and September 2021. Multivariate logistic regression was performed to evaluate perinatal outcomes for their association with blastocyst quality and morphological parameters.ResultTransfer of a good-quality blastocyst in a frozen-thawed cycle was associated with a lower rate of preterm delivery (PTD, adjusted OR =0.7, 95% CI 0.5-0.9; P=0.020) and a higher likelihood of a male neonate (adjusted OR =1.2, 95%CI 1.0-1.5; P=0.048). Compared with grade C inner cell mass (ICM) blastocyst transfer, grade B ICM (adjusted OR =0.5, 95%CI 0.2-0.9; P=0.027) and grade A ICM (adjusted OR =0.6, 95%CI 0.3-1.5; P=0.290) blastocyst transfers were associated with a lower rate of PTD, which was more evident for grade B ICM. After adjusting for confounders, the likelihood of a male neonate (grade B TE, OR =1.2, 95%CI 1.0-1.5, P=0.037; grade A TE OR =1.9, 95%CI 1.3-28, P=0.002) increased with increasing trophectoderm (TE) quality. Compared with expansion stage 4, the likelihood of a male neonate was 1.5 times greater with transfer of a stage 6 blastocyst (OR =1.5, 95%CI 1.0-2.3; P=0.06), and the risk of small for gestational age (SGA) was greater with transfer of a stage 5 blastocyst (adjusted OR =3.5, 95%CI 1.5-8.0; P=0.004). The overall grading of the blastocyst, expansion stage, ICM grade, and TE grade were not associated with length at birth, birthweight, large for gestational age (LGA), or birth defects (all P>0.05).ConclusionsIn frozen-thawed single blastocyst transfer cycles, transfer of a good-quality blastocyst was associated with a lower rate of PTD and a greater likelihood of a male neonate. Transfer of grade B ICM blastocysts decreased the rate of PTD, and TE quality was positively correlated with the likelihood of a male neonate.

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Section: Discussionmentioning

confidence: 99%

Blastocyst quality and perinatal outcomes of frozen-thawed single blastocyst transfer cycles

et al. 2022

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“…Hamidi et al . [ 18 ] in their study on 200 singleton pregnancies from 18 to 20 weeks of gestation found that PT had a positive correlation with neonatal birth weight ( r = 0.18), with a 95% confidence interval (0.05–0.32). The mean PT they determined was 34.2 ± 9.7 mm.…”

Section: Discussionmentioning

confidence: 99%

Placental Thickness Measurement by Ultrasonography and Its Correlation with Gestational Age of Fetus in the Manipuri Population

Banik¹,

Rajkumari²,

Devi³

et al. 2022

International Journal of Applied &Amp; Basic Medical Research

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: Purpose: The study was done to measure the placental thickness (PT) in pregnant women and find its correlation with the gestational age (GA) of the fetus by ultrasonography. Comparisons were also made with the other fetal biometry parameters, and baseline data were generated with respect to the gestational weeks and placental position. Materials and Methods: The study was a cross-sectional one with a sample size of 134 singleton pregnancies. About 11–40 weeks of gestation were studied for the measurement of PT and other fetal parameters. Informed consent was obtained before recording the data on the preformed questionnaire. All measurements were done in mm and during the relaxed phase of the uterus. Results: As per the study, PT (in mm) increases with an increase in GA (in weeks) and almost matches it from 12 to 34 weeks of gestation. PT had a strong correlation with GA ( r = 0.966). The correlation was statistically significant, with a P < 0.001. Conclusion: Thus, the estimation of the thickness of the placenta at the cord insertion site by means of ultrasonography is a relatively simple, safe, and cheap modality for accurate estimation of GA, fetal growth, and placental abnormalities and thus can significantly affect the management and outcome of pregnancy.

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“…Hamidi et al [13] investigated the relationship between maximal placental thickness during routine anatomy scan and birth weight at delivery. They measured maximal placental thickness in the sagittal plane from the ultrasound images of the placenta obtained at the 18-21 weeks fetal anatomy screen.…”

Section: Discussionmentioning

confidence: 99%

Assessment of use of ultrasonographic placental thickness in prediction of fetal outcome

Sharma¹

2021

Int. J. Clin. Obstet. Gynaecol.

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Background: Any disease process affecting the mother will have impact on both the fetus and the placenta. The present study was conducted to assess use of ultrasonographic placental thickness in prediction of fetal outcome. Materials & Methods: 48 with singleton pregnancy between 18 and 40 years of age, with normal BMI were included. Obstetric ultrasound was performed on using a 3.5-MHz curvilinear transducer. Postdelivery birth weight of the baby, placental weight, Apgar score, maturity of baby and sex of the baby were noted. Birth weight of the baby was recorded. Placental thickness at 32 and 36 weeks was correlated with birth weight and neonatal outcome. Results:The mean placental thickness at 32 weeks was 33.2 mm and at 36 weeks was 35.8 mm. The difference was significant (P< 0.05). There was correlation between between placental thickness and Apgar score at 32 weeks and at 36 weeks (p value = 0.05), which is statistically significant. However, no correlation was found between placental thickness and BMI of the patient (r = 0.007 at 32 weeks and r = −0.006 at 36 weeks). Conclusion: Placental thickness at 32 and 36 weeks corresponds well with gestational age and is a good prognostic factor in assessing neonatal outcome.

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Placental thickness on ultrasound and neonatal birthweight

Cited by 14 publications

References 21 publications

Blastocyst quality and perinatal outcomes of frozen-thawed single blastocyst transfer cycles

Blastocyst quality and perinatal outcomes of frozen-thawed single blastocyst transfer cycles

Placental Thickness Measurement by Ultrasonography and Its Correlation with Gestational Age of Fetus in the Manipuri Population

Assessment of use of ultrasonographic placental thickness in prediction of fetal outcome

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