1.Table of Contents

2.Information for Readers

3.Always ask why!

4.17 Alpha-hydroxyprogesterone caproate for preterm prevention: issues in subgroup analysis

5.Delivery of vertex/nonvertex twins: did the horses already leave the barn?

6.Seeing double: a nation of twins from sea to shining sea

7.Consistently inconsistent, the posterior vaginal wall Review Article

8.Human amniotic fluid: a source of stem cells for possible therapeutic use Review Article

9.Oocyte donation pregnancies and the risk of preeclampsia or gestational hypertension: a systematic review and metaanalysis Review Article

10.An update on the use of massive transfusion protocols in obstetrics Original Research Article

11.Undergraduate obstetrics and gynecology medical education: why are we underrated and underappreciated? Original Research Article

12.Route of hysterectomy and surgical outcomes from a statewide gynecologic oncology population: is there a role for vaginal hysterectomy? Original Research Article

13.A posterior anal sling for fecal incontinence: results of a 152-patient prospective multicenter study Original Research Article

14.Comparative outcomes in older and younger women undergoing laparotomy or robotic surgical staging for endometrial cancer Original Research Article

15.Hysterectomy risk in premenopausal-aged military veterans: associations with sexual assault and gynecologic symptoms Original Research Article

16.Association of cervical precancer with human papillomavirus types other than 16 among HIV co-infected women Original Research Article

17.July 2015 (vol. 213, no. 1, pages 104 and 105, print edition; pages 104.e1, 104.e4, and 104.e6, online)

18.Metformin as a prevention and treatment for preeclampsia: effects on soluble fms-like tyrosine kinase 1 and soluble endoglin secretion and endothelial dysfunction Original Research Article

19.Assessing first-stage labor progression and its relationship to complications Original Research Article

20.Descent of the fetal head (station) during the first stage of labor Original Research Article

21.Randomized controlled trial of prolonged second stage: extending the time limit vs usual guidelines Original Research Article

22.Labor outcome at extremely advanced maternal age Original Research Article

23.Induction of labor before 40 weeks is associated with lower rate of cesarean delivery in women with gestational diabetes mellitus Original Research Article

24.A universal mid-trimester transvaginal cervical length screening program and its associated reduced preterm birth rate Original Research Article

25.Meconium aspiration syndrome: a role for fetal systemic inflammation Original Research Article

26.The hemodynamics of late-onset intrauterine growth restriction by MRI Original Research Article

27.Quantitative assessment of placental perfusion by contrast-enhanced ultrasound in macaques and human subjects Original Research Article

28.Twin Birth Study: 2-year neurodevelopmental follow-up of the randomized trial of planned cesarean or planned vaginal delivery for twin pregnancy Original Research Article

29.Effectiveness and short-term safety of modified sodium hyaluronic acid-carboxymethylcellulose at cesarean delivery: a randomized trial Original Research Article

30.Racial and ethnic disparities in use of 17-alpha hydroxyprogesterone caproate for prevention of preterm birth Original Research Article

31.Predictors of response to 17-alpha hydroxyprogesterone caproate for prevention of recurrent spontaneous preterm birth Original Research Article

32.Neonatal and maternal outcome after blastocyst transfer: a population-based registry study Original Research Article

33.Risk factors for periventricular white matter injury in very low birthweight neonates Original Research Article

34.Congenital syphilis: trends in mortality and morbidity in the United States, 1999 through 2013 Original Research Article

35.Group B streptococcus alters properties of vaginal epithelial cells in pregnant women Original Research Article

36.Integrase inhibitors in late pregnancy and rapid HIV viral load reduction Original Research Article

37.Maternal and fetal roles in bacterially induced preterm labor in the mouse Original Research Article

38.Urinary tract infection during pregnancy, angiogenic factor profiles, and risk of preeclampsia Original Research Article

39.A risk of waiting: the weekly incidence of hypertensive disorders and associated maternal and neonatal morbidity in low-risk term pregnancies Original Research Article

40.Mortality rate of gestational trophoblastic neoplasia with a FIGO score of ≥13 Original Research Article

41.June 2015 (vol. 212, no. 6, pages 728 and 730)

42.Development and validation of a laparoscopic hysterectomy cuff closure simulation model for surgical training Original Research Article

43.Racial disparity in previable birth Original Research Article

44.The impact of fetal growth restriction on latency in the setting of expectant management of preeclampsia Original Research Article

45.Foley catheter placement for induction of labor with or without stylette: a randomized clinical trial Original Research Article

46.Acute feTal behavioral Response to prenatal Yoga: a single, blinded, randomized controlled trial (TRY yoga) Original Research Article

47.Impact of a labor and delivery safety bundle on a modified adverse outcomes index Original Research Article

48.Sawtooth fetal heart rate pattern due to in utero fetal central nervous system injury

49.Medicine and media: my perspective as an obstetrician-gynecologist in media

50.Effects of home call on obstetrics and gynecology resident sleep patterns

51.Prevalence of anal human papillomavirus infection and anal human papillomavirus–related disorders in women: a systematic review

52.Reply

53.Randomized controlled trial of minimal stimulation versus conventional in vitro fertilization

54.Reply

55.Does twin gestation really have long-term maternal cardiac sequelae?

56.Reply

57.Uterine rupture vs dehiscence

58.Reply

59.Value of base deficit

60.Reply

61.Menstrual preconditioning for the prevention of pregnancy complications in women with polycystic ovary syndrome (PCOS): clinical opinion or viewpoint—this is the question

62.Reply