Related by context. Frequent words. (Click for all words.) 59 neural tube defect 58 donor insemination 58 Multiple births 57 ectopic pregnancies 57 unexplained infertility 57 uterine rupture 57 pregnancies 56 weeks gestation 56 difficulty conceiving 56 congenital malformations 55 preterm births 55 cesareans 55 preterm delivery 55 congenital abnormalities 55 embryo transfers 55 aneuploidy 55 IVF cycles 54 Caesarean delivery 54 BRCA2 mutations 54 undergoing IVF 53 vaginal deliveries 53 caesarean delivery 53 birthweight 53 postoperative complications 53 polycystic ovary syndrome 53 chromosome abnormalities 53 IVF treatment 53 chromosomal abnormalities 53 caesarean sections 53 preterm 53 caesareans 52 thrombotic events 52 oophorectomy 52 IVF 52 progestogen 52 premature births 52 hereditary breast cancer 52 EBRT 51 drospirenone 51 Preterm birth 51 CMV infection 51 premature menopause 51 fetal abnormalities 51 low birthweight 51 miscarriages 51 Pre eclampsia 51 fetu 51 trisomy 51 vaginal births 51 heavy menstrual bleeding 51 gastroschisis 50 Pregnancies 50 preterm babies 50 pelvic inflammatory disease 50 folate intake 50 vitro fertilization IVF 50 childbirths 50 conceive naturally 50 BRCA mutations 50 congenital anomalies 50 premenopausal breast cancer 50 Birth defects 50 low birthweight babies 50 Gestational diabetes 50 ectopic pregnancy 50 infertility 49 spontaneous abortions 49 prenatally 49 Fibroids 49 breastfed babies 49 cesarean delivery 49 pre eclampsia 49 caesarean 49 hypospadias 49 IVF treatments 49 stillbirth 49 assisted reproduction 49 febrile seizures 49 postmenopausal breast cancer 49 births 49 familial hypercholesterolemia 49 venous thrombosis 49 mammary tumors 49 premature babies 49 IVF clinics 49 preterm labor 49 VUR 49 Premature birth 49 neonatal mortality 49 hysterectomies 48 hormones estrogen 48 Caesareans 48 necrotizing enterocolitis 48 thromboembolism 48 embryos implanted 48 fasting glucose levels 48 tamoxifen therapy 48 menarche 48 fertility treatments 48 preeclampsia 48 azacitidine