Amnion and amniotic sac

See also
Amniotic sac
Amnios

amniotic lesions
See also
Placenta amnion (amnios )

See also
meconial aspiration

Etiology
infectious chorioamnionitis
heritable connective tissue diseases

Pathology
amniotic membrane infections infectious chorioamniotis
amniotic band syndrome amniotic membrane fragility heritable connective tissue diseases

Definition: Excess of amniotic fluid.
Associations - Predisposing factors - ETiology
multiple pregnancy
major malformations anencephaly esophageal atresia congenital diaphragmatic hernia spina bifida small intestinal obstruction intestinal atresia fetal intestinal volvulus
chromosomal diseases trisomy 21 trisomy 18
fetal myotonic dystrophia (Steinert myotonic dystrophia)
Prader-Willi syndrome (#12704750#)
myasthenia gravis (#8372081#)
Perlman syndrome
placental (...)

Types
amniotic fluid quantity anomalies oligohydramnios polyhydramnios
amniotic fluid quality anomalies amniotic fluid infections meconium-stained amniotic fluid

References
Saad AG, Heffelfinger S, Stanek J. Amniotic sac infection syndrome features fetal lung neuroendocrine cell hyperfunction. Pediatr Dev Pathol. 2003 Nov-Dec;6(6):484-94. PMID: #15018448#
Redline RW, Faye-Petersen O, Heller D, Qureshi F, Savell V, Vogler C; Society for Pediatric Pathology, Perinatal Section, Amniotic Fluid Infection Nosology Committee. Amniotic infection syndrome: nosology and reproducibility of placental reaction patterns. Pediatr Dev Pathol. 2003 (...)

Amniotic sac diseases
amniotic sac infections

See also
amniotic fluid anomalies amniotic fluid quantity anomalies oligohydramnios polyhydramnios amniotic fluid quality anomalies amniotic fluid infections meconium-stained amniotic fluid
aspiration of amniotic fluid (amniotic aspiration)
References
Cell-free DNA fragmentation patterns in amniotic fluid identify genetic abnormalities and changes due to storage. Peter I, Tighiouart H, Lapaire O, Johnson KL, Bianchi DW, Terrin N. Diagn Mol Pathol. 2008 Sep;17(3):185-90. PMID: (...)