求翻译：以2007年1月至2011年6月在我院行B超检查的38例患者为研究对象。年龄19～40 岁，平均28.3岁。初次妊娠5例，2次以上妊娠33例；既往有流产史33例。来诊时无停经史2例，孕周为5周1例，6～10周32例，11、13、20周各1例。停经后阴道不规则流血32例，下腹部一侧隐痛20例，突发性腹痛3例。B超检查前曾行人工流产刮宫术22 例。是什么意思？

In January 2007 to June 2011 in our hospital 38 cases of B-ultrasound in patients for the study. Age 19 to 40 years old, average 28.3 years old. First pregnancy in 5 cases, 2 or more pregnancies 33 cases; previous history of abortion in 33 cases. When not attending to the history of menopause in 2 c

As from January 2007 to June 2011 B super-check in my home and the 38 cases for the study. aged 19 to 40 years old on average, 28.3 years old. Initial pregnancy during pregnancy may 33, more than twice the abortion laws history; it has in the past 33. There is no Menopause Clinic for history, pregna

Take from January, 2007 to June, 2011 in my courtyard line of B ultra inspection 38 example patient as object of study.Age 19~40 years old, average 28.3 years old.Primary pregnancy 5 examples, 2 above pregnancy 33 examples; Has the miscarriage history 33 examples formerly.Examines when the non-menop

In January 2007 in our line of 38 cases of patients with b-ultrasonography for the study. Ages 19~40sui, averaging 28.3 years old. 5 cases of pregnancy for the first time, more than 2 times of 33 cases of pregnancy; previous miscarriage 33 cases. Without stopping to diagnosis and history 2, pregnanc

In January 2007 in our line of 38 cases of patients with b-ultrasonography for the study. Age 19~40sui, an average of 28.3 years old. 5 cases of pregnancy for the first time, more than 2 times of 33 cases of pregnancy; previous miscarriage 33 cases. Diagnosis without stopping and history 2 cases, we