Related by context. Frequent words. (Click for all words.) 56 IVF 55 IUI 54 vitro 53 embryo implantation 53 IVF treatment 52 embryo 52 Vitro Fertilization 52 unexplained infertility 51 IVF cycles 51 blastocyst 51 artificial insemination 50 prenatally 50 vitro fertilization 50 donor insemination 50 ovulate 50 oocytes 49 vitro fertilization IVF 49 fertility treatments 49 sperms 49 IVF treatments 49 gamete 49 vaginal secretions 49 preimplantation genetic diagnosis 48 diploid 48 oocyte 48 assisted reproduction 48 neonate 48 cryopreserved 48 prenatal diagnosis 47 infertility 47 assisted reproductive 47 IVF embryos 47 progesterone 47 somatic cell 47 fertility 47 premature menopause 47 blastocyst stage 47 breastmilk 47 insemination 46 chorionic villus sampling 46 embryo transfers 46 infertility treatments 46 undergoing IVF 46 spermatozoa 46 donor sperm 46 Progesterone 46 genital organs 46 estrus 46 antithrombin 46 vasectomy 46 gonadotropin 46 zygote 46 germline 45 oophorectomy 45 ovum 45 undifferentiated cells 45 ovarian 45 ovary 45 mouse embryos 45 embryos 45 menstruate 45 remain abstinent 45 endometrial 45 IVM 45 imprinted genes 45 anonymous sperm donor 45 polycystic ovarian syndrome 45 progestins 45 Hormonal 45 ductal 45 unfertilized eggs 45 newborn infants 45 fetal tissue 45 ambiguous genitalia 45 prophylactic mastectomy 45 infertile 45 Embryos 45 breastfeeding 45 myomectomy 45 Fallopian tubes 45 conceive naturally 45 breastfeeds 45 ovaries 44 difficulty conceiving 44 cystectomy 44 mastitis 44 follicles 44 hiv 44 amniocentesis 44 single dose nevirapine 44 Embryo 44 progestogen 44 spermatogenesis 44 conceive 44 uterus 44 ovulation 44 turkey baster 44 pregnancy 44 fertilization 44 Cesarean 44 Gestational diabetes