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Depressor Anguli Oris in IVF Twins

AUTHORS

Abdullah Baris Akcan 1 , * , Mediha Akcan 2 , Servet Ozkiraz 3

1 Adnan Menderes University School of Medicine, Department of Pediatrics, Division of Neonatology, Aydin, Turkey

2 Adnan Menderes University School of Medicine, Department of Pediatrics, Aydin, Turkey

3 Baskent University School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey

How to Cite: Akcan A B, Akcan M, Ozkiraz S. Depressor Anguli Oris in IVF Twins, Iran J Pediatr. 2016 ; 26(4):e3810. doi: 10.5812/ijp.3810.

ARTICLE INFORMATION

Iranian Journal of Pediatrics: 26 (4); e3810
Published Online: July 2, 2016
Article Type: Letter
Received: August 9, 2015
Accepted: January 28, 2016
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Keywords

Depressor Anguli Oris IVF Congenital Anomlies

Copyright © 2016, Growth & Development Research Center. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

Dear Editor,

Delaying conception has increased the demand on assisted reproduction. Currently, more than 1% of children are conceived through assisted reproductive technologies (ART) worldwide and this number is likely to continue increasing (1). Like any other medical intervention ART is associated with both short-term and long-term complications. IVF pregnancies may be at increased risk for multiple pregnancies, preterm birth, low birth weight, congenital anomalies, and perinatal mortality. It has long been known that the rate of congenital malformations is somewhat increased among infants born after in vitro fertilization (IVF). Risks of neural tube defects, orofacial clefts, cardiac defects, alimentary tract atresia, and hypospadias were increased. Possible association between IVF and the occurrence of imprinting anomalies, which can cause rare conditions such as Angelman syndrome, Beckwith-Wiedemann syndrome, Prader-Willi syndrome, russell-silver syndrome, UPD 14 syndrome, pseudohypoparathyroidism 1b, transient neonatal diabetes mellitus, and maternal hypomethylation syndrome (2, 3).

In our cases, premature twins were born by ceserean section to a 38-year-old gravida 2, para 2 female. The mother had uncomplicated antenatal course. Infants were born after IVF (double embryo transfer). A prenatal ultrasound and NST were normal. At birth there were no problems. Apgar score was 9 at 1 and 5 minutes. During a routine physical examination, asymmetric cryıng face was noticed in both of twins; the right corner of the mouth drew right and downward, while the left corner did not move. Their extra-ocular movements were intact with perfect closure of the eyes. They were presumed to have asymmetric crying facies (ACF) secondary to hypoplasia of depressor anguli oris. Their echocardiogram and cranial MRI investigations was normal. Their chromosome and FISH analysis were normal.

ACF is a minor anomaly, which presents with drooping of the corner of the mouth on the unaffected side when cying or grimacing and seen in 0.5% - 1% of newborns. It is caused by either agenesis or hypoplasia of the depressor anguli oris muscle. ACF has been associated with other congenital anomalies in 20% to 70% of cases. Most anomalies are found in the head/neck and cardiovascular systems but they can also involve the skeletal, genitourinary, and gastrointestinal systems. In particular, ACF has been associated with the 22q11 deletion syndrome (4, 5).

In summary, we report IVF twins with ACF. They were first IVF cases with ACF in the literature. We conclude that the general risk for a congenital malformation after IVF and some rare malformation syndromes are over represented among infants born after IVF and a multidisciplinary team should follow these patients, with screening for complications and appropriate management.

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