confinement

(noun) concluding state of pregnancy; from the onset of contractions to the birth of a child. Synonyms: parturiency, labor, labour, lying-in, travail, childbed. Example: "She was in labor for six hours."

(noun) the act of restraining of a person's liberty by confining them.

(noun) the state of being confined. Example: "He was held in confinement."

(noun) the act of keeping something within specified bounds (by force if necessary). Synonyms: restriction. Example: "The restriction of the infection to a focal area."