Answer: A. Suppression of ovulation
Additional contraceptive efficacy may be conferred by the implant’s thickening of cervical mucus and alteration of the endometrial lining.
4. The following gynecologic procedure or procedures can be performed with an IUD in place:
A. Endometrial biopsy
C. Cervical ablation or excision
D. Endocervical sampling
E. All of the above
Committee on Practice Bulletins—Gynecology, Long-Acting Reversible Contraception Work Group. Practice Bulletin Number 186: Long-Acting Reversible Contraception: Implants and Intrauterine Devices. Obstet Gynecol.2017 Nov;130(3):e251-e269.