Kuwait Court of Cassation principle number 700

Lineage in a valid marriage. It is established for the child when a gestation period of not less than six lunar months and not more than one year has elapsed, with the possibility of the spouses meeting during that period. The man may deny it within seven days from the time of birth or his knowledge thereof, unless he has acknowledged it expressly or implicitly. Determining the possibility or impossibility of meeting and the husband's acknowledgment of lineage. Questions of fact within the exclusive authority of the judge of merits, provided he bases his judgment on reasonable grounds.