<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A primigravida, 29-year-old woman presents in her 28th week of pregnancy for evaluation of 3 hours of vaginal bleeding and abdominal pain. She denies any trauma and states that this is the first time she has had such symptoms. Her prenatal care has been optimal and all of her antenatal screenings have been within normal limits. Her vital signs are unremarkable. Physical examination reveals a small amount of blood in the vaginal canal and the cervical os is closed. Ultrasound imaging demonstrates positive fetal cardiac activity. What is the most likely diagnosis?? A: Complete abortion, B: Incomplete abortion, C: Inevitable abortion, D: Missed abortion, E: Threatened abortion,  <response>: This is a medical question asking about the likely diagnosis for a pregnant woman with vaginal bleeding and abdominal pain in her 28th week of pregnancy. The key details are:- Primigravida first pregnancy - 29 years old- 28 weeks gestation- Vaginal bleeding and abdominal pain for 3 hours- First time having these symptoms - Normal prenatal care and screenings so far- Vital signs normal- Small amount of blood in vagina, closed cervical os- Ultrasound shows positive fetal cardiac activityThe choices describe different types of abortion. Based on the information provided, the fetus is still alive positive cardiac activity on ultrasound. Since this is the first time she has had bleedingpain and the pregnancy has been normal so far, this is likely threatened abortion rather than inevitable, incomplete, complete or missed abortion.E: Threatened abortion 