Related by context. Frequent words. (Click for all words.) 71 cesarean section 70 vaginal delivery 68 Caesarean 68 caesareans 68 cesarean 66 caesarean 65 caesarean section 65 preterm delivery 64 vaginal birth 63 Caesarean section 63 Caesareans 61 Caesarean sections 61 VBAC 60 Cesarean section 60 preterm births 59 preterm birth 58 epidurals 58 hysterectomy 57 Caesarian section 57 pregnancies 57 pregnancy 56 total knee arthroplasty 56 preterm infants 56 gestational diabetes 56 preterm labor 56 childbirth 56 gestational age 55 epidural 55 preeclampsia 54 revascularization 54 CABG surgery 54 births 54 surgical procedure 54 stent placement 54 intrauterine 53 emergency Caesarean section 53 preterm 53 intubation 53 coronary angiography 53 stenting 53 amniocentesis 52 neonates 52 prostate biopsy 52 hysterectomies 52 invasive procedure 52 premature birth 52 invasive procedures 52 radical prostatectomy 51 coronary artery bypass grafting 51 catheterization 51 valproate 51 pre eclampsia 51 misoprostol 51 kidney transplantation 51 percutaneous coronary intervention 51 CABG 51 prolapse 50 low birthweight 50 laparoscopy 50 prematurity 50 deep venous thrombosis 50 liver transplantation 50 venous thromboembolism 50 obstetrical 50 postoperative 50 tubal ligation 50 premature births 50 comorbidities 49 unsafe abortions 49 ectopic pregnancy 49 maternal deaths 49 preoperative 49 vaginally 49 lung transplants 49 infertility treatments 49 intraoperative 49 fertility treatments 49 fibroids 49 cardiopulmonary bypass 49 premature babies 49 neural tube defects 49 tracheostomy 49 total hip arthroplasty 49 post partum 49 stillbirth 48 lung transplantation 48 osteoporotic fractures 48 gynecologic 48 fistula 48 ovaries removed 48 obstetric 48 tumor recurrence 48 prostatectomy 48 mechanical ventilation 48 tonsillectomy 48 fibroid 48 premature infants 48 stenosis 48 postpartum 48 gestation 48 gestational