AmnionChorionExtraembryonic MembranesEgg ProteinsLabor, ObstetricBombyxPlacentaAllantoisPregnancyDeciduaAmniotic FluidParturitionVitelline MembraneAmniotic Band SyndromeFetal Membranes, Premature RuptureEgg ShellChorioamnionitisOryziasTrophoblastsOogenesisGestational AgeOvumLabor OnsetYolk SacSerous MembraneCulture TechniquesGene AmplificationCellulose, Oxidized