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CORRESPONDENCE
Year : 2022  |  Volume : 30  |  Issue : 1  |  Page : 68

Reply to comments on fetal gestational age determination using ultrasound placental thickness


Department of Radiology, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Osun, Nigeria

Date of Submission17-Nov-2021
Date of Acceptance22-Nov-2021
Date of Web Publication23-Mar-2022

Correspondence Address:
Dr. Bukunmi Michael Idowu
Department of Radiology, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Osun
Nigeria
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jmu.jmu_199_21

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How to cite this article:
Idowu BM. Reply to comments on fetal gestational age determination using ultrasound placental thickness. J Med Ultrasound 2022;30:68

How to cite this URL:
Idowu BM. Reply to comments on fetal gestational age determination using ultrasound placental thickness. J Med Ultrasound [serial online] 2022 [cited 2022 May 28];30:68. Available from: http://www.jmuonline.org/text.asp?2022/30/1/68/340602



Dear Editor,

We agree with the comments of Dr. Abdin Elshikh on our article titled “Fetal Gestational Age Determination using Ultrasound Placental Thickness” which was published[1] in the January–March 2020 issue of the Journal of Medical Ultrasound.

Besides thalassemia/hemoglobinopathy mentioned by Dr. Elshikh, other causes of small placenta[2] (hypertensive disease of pregnancy, fetal growth restriction, trisomy 18, dygynic triploidy, intrauterine infection, variations in placenta morphology, etc.) or placentomegaly[3] (maternal anemia, maternal diabetes mellitus, hydrops fetalis, umbilical vein obstruction, placental chorioangioma, placental mesenchymal dysplasia, etc.) could also affect placenta thickness measurements – constituting the limitations of the method. Some of these abnormalities were the part of our exclusion criteria. Unsurprisingly, even the well-established biometric parameters (biparietal diameter, head circumference, abdominal circumference, and femur length) have their limitations.[4] It is noteworthy that thickened placenta is seen in only 0.6%–7.8% of obstetric sonography.[5]

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Azagidi AS, Ibitoye BO, Makinde ON, Idowu BM, Aderibigbe AS. Fetal gestational age determination using ultrasound placental thickness. J Med Ultrasound 2020;28:17-23.  Back to cited text no. 1
  [Full text]  
2.
Jones J. Small Placenta; 2011. Available from: http://radiopaedia.org/articles/15188. [Last accessed on 2021 Nov 17].  Back to cited text no. 2
    
3.
Weerakkody Y, Jones J. Placentomegaly | Radiology Reference Article | Radiopaedia. Available from: https://radiopaedia.org/articles/placentomegaly. [Last accessed on 2021 Nov 14].  Back to cited text no. 3
    
4.
Degani S. Fetal biometry: Clinical, pathological, and technical considerations. Obstet Gynecol Surv 2001;56:159-67.  Back to cited text no. 4
    
5.
Sun X, Shen J, Wang L. Insights into the role of placenta thickness as a predictive marker of perinatal outcome. J Int Med Res. 2021;49:300060521990969.  Back to cited text no. 5
    




 

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