Copper-T is preferably inseed postnatal, after:

Timings of IUD inseion During menstruation or within 10 days of begining of menstrual period: Best time for IUD inseion Cervical canal diameter greatest, lesser expulsive, least risk of pregnancy. Immediate post-paum inseion: During 1st week after delivery before woman leaves hospital. High chance of perforation High chance of expulsion Post-puerperal inseion: 6-8 weeks after delivery Can be combined with follow up visit of mother and child. Not recommended after 2nd trimester aboion. Ref: Park 25th edition Pgno: 531