Which of the following contraceptive method make uterus unsuitable for implantation ?

Which of the following contraceptive method make uterus unsuitable for implantation ?
Which of the following contraceptive method make uterus unsuitable for implantation ?
Which of the following contraceptive method make uterus unsuitable for implantation ?
Which of the following contraceptive method make uterus unsuitable for implantation ?

implantation