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Abdominal pregnancy is a rare condition that accounts for only 1% of all ectopic pregnancies but results in high maternal morbidity and mortality. We present a case of abdominal pregnancy with massive peritoneal bleeding successfully treated using systemic methotrexate (MTX). A 34-year-old woman with amenorrhea for 8 weeks and a positive pregnancy test was referred for evaluation of ectopic pregnancy. Transvaginal ultrasonographic scan showed a gestational sac measuring 25 mm in diameter containing a viable embryo in the cul-de-sac and a considerable amount of free fluid in the patient's lower abdomen and pelvis. Laboratory parameters showed that her hemoglobin concentration was 5.8 g/dl and serum human chorionic gonadotropin concentration was 13,195 mIU/ml. Emergency surgery revealed an abdominal pregnancy in the cul-de-sac and a massive intra-abdominal hemorrhage. After a hemostasis procedure, the patient was successfully treated using systemic MTX. We also present the review of abdominal pregnancy cases treated using systemic MTX at our institution over 10 years. Systemic MTX treatment for abdominal pregnancy is safe and effective and makes it possible to avoid the risk of excessive bleeding by surgical resection of the implantation site.

Pyoderma gangrenosum is a rare ulcerating neutrophilic dermatosis. We describe the case of a 28-year-old woman with pyoderma gangrenosum in the perineal region during pregnancy. Cytological analysis of a skin biopsy specimen showed neutrophilic infiltrates across all the layers of the dermis, confirming the diagnosis of pyoderma gangrenosum. Determining a management plan, including the mode of delivery, was difficult. Oral prednisolone was started and her ulcer started to improve, but she still had the ulcer when she reached full term. Because there was a concern that the ulcer would be worsened by vaginal delivery, cesarean section was performed. After her delivery, pyoderma gangrenosum had not appeared at the cesarean incision and the ulcer in the perineal region had improved. Obstetricians should be aware of pyoderma gangrenosum as a differential diagnosis when vulvar ulceration develops during pregnancy.

Aim The purpose of this study was to evaluate the complications and reproductive outcome after uterine artery embolization (UAE) for retained products of conception (RPOC). Methods This was a retrospective medical‐records review study of 57 women treated for RPOC. Participants were divided into two groups: women who underwent treatment with UAE (UAE group: n = 32, 56.1%) and those without UAE (control group: n = 25, 43.9%). The complications and reproductive outcomes were compared between the two groups. Information on subsequent pregnancies and their outcomes was available for 30 women who attempted to conceive. Results There were no significant differences in the interval from the last delivery or abortion (40.1 ± 3.4 vs 51.0 ± 5.1 months, respectively; P = 0.16), the rate of severe bleeding under hysteroscopy (18.5 vs 9.1%, respectively; P = 0.65), the conception rate (58.8 vs 61.5%, respectively; P = 1.0) and mean time to conception (9.9 ± 1.6 vs 11.0 ± 2.9 months, respectively; P = 0.17) in women in the UAE group compared with those in the control group. Rates of post‐partum hemorrhage (PPH) and manual removal of placenta (25.0% in the UAE group and 16.7% in the control group, respectively) were higher than the general population. Conclusion Selective UAE for RPOC may be a preferable procedure in women who are suspected as having a risk of severe bleeding under treatment. Women who were treated for RPOC, regardless of UAE, were at risk of PPH and difficulty in removing the placenta in future pregnancies.