Which of the following is the preferred mode of contraception recommended during lactation:

Medical eligibility criteria (MEC) categories for contraceptive eligibility: 1. A condition for which there is no restriction for the use of the contraceptive method. 2. A condition where the advantages of using the method generally outweigh the theoretical or proven risks. 3. A condition where the theoretical or proven risks usually outweigh the advantages of using the method. 4. A condition which represents an unacceptable health risk if the contraceptive method is used. Progestin-only Contraception methods do not impair milk production and are an excellent choice for lactating women. There are no increased risks of genital tract or breast neoplasia MEC 1 However, after the initial 6 weeks of delivery are over, use of IUCDs is equally good