A synthetic progestin. What is the most likely explanation for the contraceptive action of this drug?

Related MCQs

• A 25 years old school teacher Para 1 wants to use oral contraceptive pills for contraception. She is asking about the mode of action of oral contraceptive pills. The mechanism of action of oral contraceptive pills is:
• A 18-year-old woman comes to the physician for an annual examination. She has no complaints. She has been sexually active for the past 2 years. She uses the oral contraceptive pill for contraception. She has depression for which she takes fluoxetine. She takes no other medications and has no allergies to medications. Her family history is negative for cancer and cardiac disease. Examination is unremarkable. Which of the following screening tests should this patient most likely have?
• All of the following mechanisms might account for a reduced risk of upper genital tract infection in users of progestin releasing IUDs, except:
• Which of the following is used as an emergency contraceptive:
• A 54-year-old woman comes to the physician for an annual examination. She has no complaints. For the past year, she has been taking tamoxifen for the prevention of breast cancer. She was started on this drug after her physician determined her to be at high risk on the basis of her strong family history, nulliparity, and early age at menarche. She takes no other medications. Examination is within normal limits. Which of the following is this patient most likely to develop while taking tamoxifen?
• Female patient with history of endometriosis , menstrual disorders complaining from pain on right iliac fossa , on examination there was tenderness on right iliac fossa with no rebound pain no rigidity , on CBC it was normal , most likely :
• Female patient with history of hydatiform and complaining of lower abdominal pain , on examination there was tenderness on palpation and the lab result show high level of HCG , most likely to be :
• A young female came to you with complaint of oligomenorrhea ,hirsutism & weight gain ,US reveals bulky ovaries with subcapsular cysts. Most likely diagnosis is
• A 48-year-old woman has noted a small amount of irregular vaginal bleeding for the past 2 months. She has a pelvic examination that reveals no cervical lesions, and a Pap smear that shows no abnormal cells. Next, an endometrial biopsy is performed, and there is microscopic evidence for endometrial hyperplasia. An abdominal ultrasound reveals a solid right ovarian mass. Which of the following neoplasms is this woman is most likely to have?
• A 47-year-old woman has noted a pressure sensation, but no pain, in her pelvic region for the past 5 months. On physical examination there is a right adnexal mass. An ultrasound scan shows a 10 cm fluid-filled cystic mass in the right ovary. A fine needle aspirate of the mass is performed and cytologic examination of clear fluid aspirated from the mass reveals clusters of malignant epithelial cells surrounding psammoma bodies. Which of the following neoplasms is she most likely to have?