Related by context. Frequent words. (Click for all words.) 54 intrauterine insemination 53 unexplained infertility 52 IVF treatment 52 terbutaline 52 Artificial insemination 51 ovarian stimulation 51 clomiphene 50 donor insemination 50 epidural anesthesia 50 Caesarean deliveries 50 Human papillomavirus 49 embryo implantation 49 IVF cycles 49 preimplantation genetic diagnosis 49 IUI 48 IVF treatments 48 misoprostol 48 caesarean delivery 48 Fertility clinics 48 diagnosis PGD 47 postpartum hemorrhage 47 spontaneous abortions 47 sterilisations 47 artificial fertilization 47 ectopic pregnancies 46 teratogenic 46 Vitro Fertilization 46 Cesarean sections 46 embryo transfers 46 undergoing IVF 46 thrombophilia 46 chorionic villus sampling 46 transvaginal ultrasound 46 prenatally 46 catheterisation 46 vitro fertilization IVF 45 congenital disorders 45 artificially inseminate 45 discordant couples 45 IVF 45 Preterm 45 donor sperm 45 stem cells harvested 45 caesareans 45 oral contraceptive pills 45 insemination 45 gonadotropin 45 uterine contractions 45 born preterm 45 caesarian section 45 Infertile 45 polycystic ovary syndrome PCOS 44 progestogen 44 perinatal mortality 44 cystectomy 44 precocious puberty 44 ultrasound examinations 44 chromosome abnormalities 44 intrauterine devices 44 tubal ligations 44 follicle stimulating hormone FSH 44 sperms 44 polycystic ovaries 44 heavy menstrual bleeding 44 Caesarean delivery 44 zygotes 44 umbilical cord stem cells 44 Contraceptive 44 artificial insemination 44 electively 44 pregnancies 44 haematologist 43 assisted reproductive 43 abortifacients 43 vaginal secretions 43 gamete 43 ovulated 43 vaginal deliveries 43 congenital malformation 43 iron supplementation 43 infertility 43 DuoFertility 43 Sexually active 43 cryptorchidism 43 involuntary sterilization 43 vitro fertilization 43 vitro fertilization treatments 43 ambiguous genitalia 43 herceptin 43 luteal phase 43 difficulty conceiving 43 pituitary glands 43 spinal anesthesia 43 fertility treatments 43 congenital malformations 43 oral contraception 43 premature menopause 43 tubal 43 radical hysterectomy 43 hESC lines 42 caesarian