Pregnancy in a rudimentary horn is very rare. The rupture of the horn during pregnancy is an obstetric emergency which can be life-threatening for both the mother and fetus. Preoperative diagnosis of such pregnancies can be challenging and they are usually diagnosed intraoperatively. We report a unique case of a 31-year-old multiparous woman who presented to the Sultan Qaboos University Hospital in Muscat, Oman, in January 2013 at 32 gestational weeks with abdominal pain. Ultrasonography was inconclusive. A rudimentary horn pregnancy was subsequently diagnosed via magnetic resonance imaging (MRI). An emergency laparotomy revealed haemoperitoneum and a ruptured rudimentary horn pregnancy. A live baby with an Apgar score of 2 at one minute and 7 at five minutes was delivered. The rudimentary horn with the placenta in situ was excised and a left salpingooophorectomy was performed. The postoperative period was uneventful. The authors recommend MRI as an excellent diagnostic modality to confirm rudimentary horn pregnancies and to expedite appropriate management.

Aim To find out whether 50 g oral glucose challenge test (OGCT) is an effective screening test for all pregnant women between 24 and 28 weeks gestation. Method A 50 g OGCT test was administered to 307 unselected women at 24-28 weeks of gestation. When venous plasma glucose (VPG) concentration after 1 h was [7.8 mmol/l, OGCT was positive. Women with a positive OGCT underwent 2 h 75 grams oral glucose tolerance test (OGTT) as a confirmatory diagnosis of GDM. When fasting and 2 h post 75 g OGTT values were [5.5 mmol/I and [8 mmol/l, respectively, women were considered diabetic. Results We screened 307 women for GDM by OGCT. Total number of women with positive OGCT was 83 (27.03 %). In the low-risk group, total number of women with GDM was 9/168 (5.35 %) while the total number of women with GDM in the high-risk group was 14/139 (10.07 %). There was no significant difference with respect to the total number of women with GDM in the groups. Conclusions A 50 g OGCT seems to be an effective screening test for both groups. More cases of GDM can be discovered when universal rather than risk-related screening is applied.

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