Observing medical guidelines regarding birth spacing
Dear Scholars:as-salamu 'Alaykum! It has been shown by medical research that couples who employed birth spacing, 3-5 years, have greater health benefits on the part of mother and the child than who do not practice it. Granting that this evidence is true, what will be the Islamic ruling for those who do not observe this medical guidelines? Jazakum Allah khayran.