Final answer:
Couples can typically resume full sexual relations within 3 to 6 weeks after giving birth, but they should first consult with their healthcare provider.
Step-by-step explanation:
The best answer to when a couple can safely resume full sexual relations after giving birth is generally within 3 to 6 weeks. However, it is vital to note that this timeline can vary based on individual circumstances, including the type of delivery (vaginal or cesarean) and the woman's overall health. Women are commonly advised to wait until after their postpartum checkup before resuming sexual activities to ensure proper healing and to discuss any concerns with their healthcare provider.