NEET Zoology Contraceptive Methods Multiple Correct Question

How many below given statements are incorrect? (i) Intra Uterine Devices (IUDs) are inserted by doctors or expert nurses in the fallopian tube. (ii) Lippe’s loop is a copper releasing IUDs. (iii) Cu₇ and multiload 375 releases progesterone. (iv) Progestasert prevents ovulation. (v) Oral administration of small doses of either progestogens or progestogen estrogen combinations is used as a contraceptive method. (vi) Mala-D is steroidal pills have to be taken daily for a period of 21 days starting preferably within the first five days of menstrual cycle. (vii) Progestogens alone or in combination with estrogen can also be used by females as injections or implants under the skin.