activity in amniotic fluid. Clin Chim Acta 1985; 145:275.
169 169. Potier M, Morin PR, Melancon SB, et al. Differential stabilities of fetal intestinal disaccharidases determine their relative amounts released into amniotic fluid. Biol Neonate 1984; 45:257.
170 170. Potier M, Cousineau J, Michaud L, et al. Fetal intestinal microvilli in human amniotic fluid. Prenat Diagn 1986; 6:429.
171 171. Jalanko H, Rapola J, Lehtonen E. Particulate fraction in amniotic fluid at second trimester. J Clin Pathol 1985; 38:1065.
172 172. Morin PR, Melancon SB, Dallaire L, et al. Prenatal detection of intestinal obstructions, aneuploidy syndromes, and cystic fibrosis by microvillar enzyme assays (disaccharidases, alkaline phosphatase, and glutamyltransferase) in amniotic fluid. Am J Med Genet 1987; 26:405.
173 173. Morin PR, Potier M, Dallaire L, et al. Prenatal detection of the congenital nephrotic syndrome (Finnish type) by trehalase assay in amniotic fluid. Prenat Diagn 1984; 4:257.
174 174. Poenaru L, Vinet MC, Dreyfus JC. Human amniotic fluid alpha‐glucosidase. Clin Chim Acta 1981; 117:53.
175 175. Elsliger MA, Dallaire L, Potier M. Fetal intestinal and renal origins of trehalase activity in human amniotic fluid. Clin Chim Acta 1993; 216:91.
176 176. Dallaire L, Perreault G. Hereditary multiple intestinal atresia. Birth Defects Orig Artic Ser 1974; 10:259.
177 177. Garel C, Dreux S, Philippe‐Chomette P, et al. Contribution of fetal magnetic resonance imaging and amniotic fluid digestive enzyme assays to the evaluation of gastrointestinal tract abnormalities. Ultrasound Obstet Gynecol 2006; 28:282.
178 178. Muller F, Dreux S, Vaast P, et al. Prenatal diagnosis of megacystis‐microcolon‐intestinal hypoperistalsis syndrome: contribution of amniotic fluid digestive enzyme assay and fetal urinalysis. Prenat Diagn 2005; 25:203.
179 179. Machado L, Matias A, Rodrigues M, et al. Fetal megacystis as a prenatal challenge: megacystis‐microcolonintestinal hypoperistalsis syndrome in a male fetus. Ultrasound Obstet Gynecol 2013; 41:345.
180 180. Talabani H, Dreux S, Luton D, et al. Fetal anal incontinence evaluated by amniotic fluid digestive enzyme assay in myelomeningocele spina bifida. Pediatr Res 2005; 58:766.
181 181. Potier M, Melancon SB, Dallaire L. Fetal intestinal disaccharidases in human amniotic fluid. Biomedicine 1976; 25:167.
182 182. Arey LB. Developmental anatomy: a textbook and laboratory manual of embryology, 7th edn. Philadelphia: WB Saunders, 1965.
183 183. Gitlin D, Kumate J, Morales C, et al. The turnover of amniotic fluid protein in the human conceptus. Am J Obstet Gynecol 1972; 113:632.
184 184. Mulivor RA, Mennuti MT, Harris H. Origin of the alkaline phosphatases in amniotic fluid. Am J Obstet Gynecol 1979; 135:77.
185 185. Pocknee RC, Abramovich DR. Origin and levels of trypsin in amniotic fluid throughout pregnancy. Br J Obstet Gynaecol 1982; 89:142.
186 186. van Diggelen OP, Janse HC, Kleijer WJ. Disaccharidases in amniotic fluid as possible prenatal marker for cystic fibrosis. Lancet 1983; i:817.
187 187. Jarmas AL, Weaver DD, Padilla LM, et al. Hirschsprung disease: etiologic implications of unsuccessful prenatal diagnosis. Am J Med Genet 1983; 16:163.
188 188. Carbarns NJ, Gosden C, Brock DJ. Microvillar peptidase activity in amniotic fluid: possible use in the prenatal diagnosis of cystic fibrosis. Lancet 1983; i:329.
189 189. Brock DJ. Amniotic fluid alkaline phosphatase isoenzymes in early prenatal diagnosis of cystic fibrosis. Lancet 1983; ii:941.
190 190. Szabo M, Munnich A, Teichmann F, et al. Discriminant analysis for assessing the value of amniotic fluid microvillar enzymes in the prenatal diagnosis of cystic fibrosis. Prenat Diagn 1990; 10:761.
191 191. Morin PR, Potier M, LaSalle R, et al. Amniotic‐fluid disaccharidases in the prenatal detection of cystic fibrosis. Lancet 1983; ii:621.
192 192. Janlanko H, Aula P. Decrease in gamma‐glutamyl transpeptidase activity in early amniotic fluid in fetal trisomy 18 syndrome. Br Med J 1982; 284:1593.
193 193. Jalanko H. Developmental changes in gamma‐glutamyl transpeptidase in human amniotic fluid. Oncodev Biol Med 1983; 4:253.
194 194. Moniz C, Nicolaides KH, Keys D, et al. Gammaglutamyl transferase activity in fetal serum, maternal serum, and amniotic fluid during gestation. J Clin Pathol 1984; 37:700.
195 195. Brock DJ, Bedgood D, Hayward C, et al. Amniotic fluid microvillar enzyme activities in the early detection of fetal abnormalities. Prenat Diagn 1984; 4:261.
196 196. Davidson GP, Cutz E, Hamilton JR, et al. Familial enteropathy: a syndrome of protracted diarrhea from birth, failure to thrive, and hypoplastic villus atrophy. Gastroenterology 1978; 75:783.
197 197. Abramsky O, Brenner T, Lisak RP, et al. Significance in neonatal myasthenia gravis of inhibitory effect of amniotic fluid on binding of antibodies to acetylcholine receptor. Lancet 1979; ii:1333.
198 198. Brown CL, Colden KA, Hume RF, et al. Faint and positive amniotic fluid acetylcholinesterase with a normal sonogram. Am J Obstet Gynecol 1996; 175:1000.
199 199. Symonds EM, Williams SS, Cellier KM. Maternal and fetal influences on the acid‐base balance of human amniotic fluid. Obstet Gynecol 1971; 37:742.
200 200. Jauniaux E, Watson A, Burton G. Evaluation of respiratory gases and acid‐base gradients in human fetal fluids and uteroplacental tissue between 7 and 16 weeks' gestation. Am J Obstet Gynecol 2001; 184:998.
201 201. Vrachnis N, Malamitsi‐Puchner A, Samoli E, et al. Elevated mid‐trimester amniotic fluid ADAM‐8 concentrations as a potential risk factor for preterm delivery. J Soc Gynecol Investig 2006; 13:186.
202 202. Yamashiro C, Kanenishi K, Akiyama M, et al. Adrenomedullin concentrations in early 2nd‐trimester amniotic fluid: relation to preterm delivery and fetal growth at birth. Gynecol Obstet Invest 2002; 54:99.
203 203. Gulbis B, Jauniaux E, Cotton F, et al. Protein and enzyme patterns in the fluid cavities of the first trimester gestational sac: relevance to the absorptive role of secondary yolk sac. Mol Hum Reprod 1998; 4:857.
204 204. Jalanko H, Heikinheimo M, Ryynanen M, et al. Alkaline phosphatase activity in amniotic fluid in pregnancies with fetal disorders. Prenat Diagn 1983; 3: 303.
205 205. Evans HE, Glass L, Mandl I. Alpha1‐antitrypsin concentration in amniotic fluid. Biol Neonate 1975; 27:232.
206 206. Kleinbauer D, Klink F, Wagner T, et al. Blutgerinnung und Fibrinolyse Faktor‐Aktivitäten in der Amnionflüssigkeit. [Blood coagulation and fibrinolytic factor activities in the amniotic fluid]. Geburtshilfe Frauenheilkd 1988; 48:397.
207 207. Chadefaux B, Ceballos I, Rabier D, et al. Prenatal diagnosis of argininosuccinic aciduria by assay of argininosuccinate in amniotic fluid at the 12th week of gestation. Am J Med Genet 1990; 35:594.
208 208. Fernandez de Castro A, Usategui‐Gomez M, Spellacy WN. Amniotic fluid amylase. Am J Obstet Gynecol 1973; 116:931.
209 209. Dawood MY. Hormones in amniotic fluid. Am J Obstet Gynecol 1977; 128:576.
210 210. Madazli R, Atis A, Uzun H, et al. Mid‐trimester amniotic fluid angiogenin, lactate dehydrogenase and fibronectin in the prediction of preterm delivery. Eur J Obstet Gynecol Reprod Biol 2003; 106:160.
211 211. Cohen SB, Goldenberg M, Rabinovici J, et al. Anticardiolipin antibodies in fetal blood and amniotic fluid derived from patients with the anti‐phospholipid syndrome. Hum Reprod 2000; 15:1170.
212 212. Pacsa AS. Impairment of immunity during pregnancy and antiviral effect of amniotic fluid. Lancet 1977; 1:330.
213 213. Fainaru M, Deckelbaum R, Golbus MS. Apolipoproteins in human fetal blood and amniotic fluid in midtrimester pregnancy. Prenat Diagn 1981; 1:125.
214 214. Ruelland A, Mention JE, Perrot Y, et al. Evolution du taux de l'apolipoproteine A dans le liquide amniotique au cours de la grossesse normale et pathologique [The levels of apolipoprotein