Final answer:
The best treatment for a third-degree prolapsed uterus involves addressing the prolapse and any fertility issues. Options include in vivo fertilization and in vitro fertilization, which both aim to improve the chances of pregnancy.
Step-by-step explanation:
The best possible treatment for a third-degree prolapsed uterus would involve addressing both the prolapse and any fertility issues. One option is to opt for in vivo fertilization, in which the fallopian tubes are surgically cleared of any obstruction and then re-ligated. Another option is in vitro fertilization, which involves removing the obstruction surgically and then re-ligating the ends of the fallopian tubes. These treatments aim to address the prolapsed uterus and improve the chances of pregnancy.