Related by context. Frequent words. (Click for all words.) 56 vitro fertilization 55 assisted reproduction 54 assisted reproductive 54 artificial insemination 53 vitro fertilization IVF 52 fertilization 50 IVF 50 undergoing IVF 49 fertility treatments 49 fertility 49 SCNT 48 IVF treatment 48 insemination 47 implantation 47 genetic manipulation 47 infertility treatments 47 IUI 47 cell transplantation 46 contraceptive 46 terminating pregnancy 46 cloned embryos 46 IVF cycles 46 IVF treatments 46 contraceptive methods 46 infertility 45 reproductive cloning 45 cryopreservation 45 infertile couples 45 IVF clinics 45 prenatal diagnosis 45 embryos 45 contraceptive pill 45 Caesarean delivery 44 fertilized egg 44 mifepristone 44 oral contraception 44 contraception 44 conceive naturally 44 PGD 44 donor sperm 44 infertile 43 cloned embryo 43 embryo 43 IVM 43 conceiving 43 ethically acceptable 43 impregnation 43 transgenic animals 42 Embryology Authority HFEA 42 isotretinoin 42 cloning 42 pregnancies 42 pregnancy 42 procreative 42 ectopic pregnancies 42 conceive 42 pre implantation genetic 42 procreation 42 therapeutic cloning 42 hormonal contraception 41 progestins 41 Humanae Vitae 41 birth 41 transplantations 41 ovulate 41 parthenogenesis 41 oocytes 41 organ transplants 41 intrinsically disordered 41 stem cell transplantation 41 sperm donation 41 stem cell therapy 41 surrogacy 41 caesarian section 41 hormone progesterone 41 ovulation 41 male infertility 40 cesarean delivery 40 misoprostol 40 aneuploidy 40 fetu 40 bioethical 40 polycystic ovary syndrome 40 reproductive endocrinologist 40 leftover embryos 40 Embryology 40 reproductive biology 40 fertilized eggs 40 terminate pregnancy 40 caesarean sections 40 births 40 synthetic hormones 40 heterosexual marriages 40 ovarian tissue 40 Implantation 40 frozen embryo 40 vaginal birth 40 induced pluripotent stem iPS 40 blastocysts 40 tubal ligation 40 sterilization