Ruling on divorce conditions tied to the *first* child born when multiple children are born simultaneously based on a specific gender condition?
Chapter on Explicit Divorce and Others
Al-Mughni
Book of Divorce
Primary text
If a husband states, "If the first thing you give birth to is a male, you are divorced once, and if it is a female, you are divorced twice," and she delivers both simultaneously, no divorce occurs. This is because there is no 'first' among them, so the condition is not met.
Supporting text
If they are delivered in two separate instances, the condition attached to the first delivery takes effect, and the second delivery results in no divorce.