How long can a tear needle be in the same room?

How long can the same room, according to the female friend wound healing degree to decide, generally 7~10 days after the needle, the incision can be completely healed, but to wait 40~42 days after delivery. This period we call puerperium, if very smooth, followed by no irregular vaginal bleeding, lochia has been clean, this time can be the same room. If not in pregnancy preparation, need to pay attention to contraceptive measures.