微弱陣痛 びじゃくじんつう Meanings Noun hypotonic contractions (during labor (labour)); uterine inertia; weak labor; weak labour; slow labor; slow labour Kanji 微 slight. Read as ビ. 弱 weak. Read as ジャク. 陣 camp. Read as ジン. 痛 pain. Read as ツウ. Word lists Medicine Jinuma: Japanese Dictionary · Word lists