Because, As women we are given a limited time productive. Towards the age of 50 years and over, women will experience menopause and no longer fertile. At that age, getting pregnant and giving birth is clearly impossible. Because that's the term ' later expired ' appears. The uterus of the woman there is a limit.
But if you say "expired", we feel as if like infant formula or other items that can be expired. If for example you have food, but it turns out the food that was expired, what are you doing in that food? Surely you will throw it away rather than reckless eating and poisoning. Well, whether we will also be discarded because not useful anymore if it was in the ' expired ' it? So had to rush into marriage before a marriage license expired