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(Click for frequent words.) 87 embryo 80 human embryos 77 frozen embryos 77 fertilized embryos 75 IVF embryos 72 unused embryos 72 cloned embryos 71 leftover embryos 69 fertilized eggs 68 Embryos 68 cloned embryo 66 embryonic stem cells 66 blastocysts 65 blastocyst 65 stem cells 65 embryonic cells 65 oocytes eggs 65 oocytes 65 vitro fertilization 65 fertilized embryo 65 embyros 64 IVF 63 unfertilized eggs 63 therapeutic cloning 63 Embryo 63 stem cell 63 fertility clinics 62 SCNT 62 fetal tissue 62 cloning embryos 62 vitro fertilization clinics 61 stem cells harvested 61 somatic cell nuclear 61 IVF embryo 60 fertilized ova 60 adult stem cells 60 embryonic stem cell 60 umbilical cord stem cells 59 frozen embryo 59 reproductive cloning 59 destroying embryos 59 gametes 59 eggs fertilized 59 blastomere 59 unfertilised eggs 59 blastomeres 59 surplus IVF embryos 59 embryo clones 59 vitro fertilization IVF 58 infertile couples 58 unfertilized egg 58 cloning 58 fertilized egg 58 mouse embryos 58 ovarian tissue 58 cloned stem cells 58 spare IVF embryos 58 embryos implanted 58 zygotes 57 Blastocysts 57 discarded umbilical cords 57 sperm 57 assisted reproduction 57 clone embryos 57 chromosomally normal 57 PGD 57 fertility treatments 57 human embryonic stem 57 fetuses 57 amniotic stem cells 57 excess IVF embryos 56 embryonic cloning 56 somatic cell 56 human cloning 56 embryonic stemcells 56 fertilization clinics 56 deriving stem cells 56 pre implantation genetic 56 IVF treatment 56 cybrids 55 cytoplasmic hybrid 55 stem cells extracted 55 vitro treatments 55 umbilical cord blood 55 cryopreserved 55 donor sperm 55 artificial wombs 55 admixed embryos 55 implanted embryos 55 ovaries 55 oocyte 55 cytoplasmic hybrids 55 undifferentiated cells 55 iPSCs 55 undergoing IVF 55 Embryonic stem cell 55 IVF cycles 55 preimplantation genetic diagnosis 55 hESC lines 54 stem cell colonies 54 embryonic tissue 54 extract stem cells 54 mature oocytes 54 fertility clinic 54 IVF treatments 54 miscarried fetuses 54 ovary 54 preimplantation genetic diagnosis PGD 54 chromosomally abnormal 54 embryo transfers 54 ESCs 54 germ cells 54 ovum 54 destroys embryos 54 Reproductive cloning 54 totipotent 53 adult stem cell 53 cloned blastocysts 53 diagnosis PGD 53 invitro fertilization 53 ova 53 chimeras 53 germline stem cells 53 pluripotent cells 53 implanting Nadya Suleman 53 embryologists 53 Embryology Authority 53 stem cells derived 53 bantengs 53 fetal stem cells 53 IVF clinics 53 sperms 53 human reproductive cloning 53 Cryopreservation 53 blastocyst stage 52 vitro maturation 52 vitro fertilization treatments 52 ES cells 52 ovary tissue 52 HFEA 52 Dr Zavos 52 egg follicles 52 eggs 52 Verlinsky 52 abnormal chromosomes 52 frozen thawed 52 chimeric embryos 52 Preimplantation Genetic Diagnosis PGD 52 unfertilized human 52 bone marrow stem cells 52 induced pluripotent cells 52 chimera embryos 52 islet cells 52 unspecialized cells 52 parthenogenetic stem cells 52 Therapeutic cloning 52 stem cell research 52 placental tissue 51 cord blood 51 immunologically compatible 51 gamete 51 embryonic 51 IVF ICSI 51 parthenogenetic 51 induced pluripotent stem cells 51 ovarian follicle 51 amniotic stem cell 51 iPS cells 51 somatic cells 51 cybrid 51 biopsied embryos 51 intra cytoplasmic sperm 51 transplanting organs 51 transfer SCNT 51 zygote 51 defective mitochondria 51 hESCs 51 parthenogenesis 51 oocyte vitrification 51 pluripotent stem cells 51 donor gametes 51 chromosomal abnormalities 50 iPS cell 50 sperm donors 50 donor livers 50 embryos fertilized 50 artificial insemination 50 cryo preserved 50 stemcells 50 unfertilised egg 50 Adult stem cells 50 cloned primate 50 assisted reproductive 50 banning reproductive cloning 50 implanting embryos 50 testicular tissue 50 embryonic stem 50 embryonic stem cells ESCs 50 amniotic cells 50 cryopreserved embryos 50 surrogacy arrangements 50 spermatogonial stem cells 50 Reijo Pera 50 artificial inseminations 49 tube fertilization 49 infertility treatments 49 fetus 49 embryonic stem ES 49 neural cells 49 Embryonic stem cells 49 neural stem cells 49 Oocyte 49 Embryology Authority HFEA 49 amniotic fluid stem cells 49 artificial gametes 49 immature oocytes 49 Fertility clinics 49 amniotic fluid 49 unfertilised 49 pancreases 49 fertilized egg splits 49 ovary transplants 49 pluripotent stem cell 49 adult somatic cells 49 placentas 49 vitro fertilization artificial insemination 49 Somatic Cell Nuclear 49 fetuses aborted 49 nonembryonic stem cells 49 transgenic animals 49 semen ova 49 Transfer SCNT 49 ovarian stimulation 49 teratomas 49 Cloning embryos 49 transgenic pigs 49 primordial germ cells 49 aneuploid cells 48 Embryology Act 48 hESC 48 gestational surrogate 48 fertilization 48 embryo experimentation 48 savior sibling 48 oviducts 48 iPS 48 oocyte cryopreservation 48 donor organs 48 embryonic stems 48 embryo cloning 48 Embryonic stem cells ESCs 48 follicles 48 reimplanting sperm producing 48 ovarian hyperstimulation 48 Hoerstrup 48 spontaneously aborted 48 vitrified eggs 48 Cloning 48 intracytoplasmic sperm injection ICSI 48 infertile 48 abort fetus 48 embryo implants 48 fetal viability 48 surrogate mothers 48 Preimplantation genetic diagnosis 48 reprogrammed cells 48 vitro 48 endometrial tissue 48 ethically acceptable 48 testicular biopsy 48 transplanted stem cells 48 aborted fetal 48 surrogacy 48 Nayernia 48 umbilical stem cells 48 reimplanting 48 thymus tissue 48 Susannah Baruch 48 leukapheresis 48 aborted fetuses 48 testicular sperm 48 embryo cryopreservation 47 RPE cells 47 amniotic epithelial cells 47 abort fetuses 47 ovarian transplant 47 enucleated 47 federally funded embryonic 47 Anne Drapkin Lyerly 47 fertilized 47 holoprosencephaly 47 nonembryonic 47 Kamrava implanted dozen 47 eggs oocytes 47 donor insemination 47 oocyte retrieval 47 injection ICSI 47 ovulated 47 Kamrava implanted Suleman 47 hES cells 47 donor marrow 47 Human Fertilisation 47 mammary cells 47 ethically unjustifiable 47 cryo preservation 47 chromosome abnormalities 47 terminating pregnancy 47 antral follicles 47 unborn babies 47 Vitro Fertilization 47 Fertility 47 aneuploidy 47 pluripotent embryonic stem cells 47 single blastomere 47 intracytoplasmic sperm injection 47 cloned 47 fertilize eggs 47 asexually 47 umbilical cords 47 aneuploid 47 Vitro Fertilisation 47 embryo biopsy 47 ovarian follicles 47 germline cells 47 zona pellucida 47 genetic abnormalities 47 bioethicists 47 ESCR 46 Stem cell 46 surrogate births 46 genetically identical 46 undergoing fertility treatments 46 transgenic mouse 46 frozen IVF embryos 46 somatic stem cell 46 genetically manipulated 46 eSET 46 genetic defects 46 implantation genetic 46 stemcell research 46 Prometea 46 stemcell 46 Embryo donation 46 Stem cells 46 culling stem cells 46 Assisted Reproduction 46 Embryonic Stem Cell 46 organs 46 frozen embryos implanted 46 inseminations 46 pluripotent embryonic 46 egg retrieval 46 gametes sperm 46 MeCP2 protein 46 transplanted tissue 46 induce pluripotency 46 wombs 46 morally licit 46 gastrulation 46 diploid cells 46 induced pluripotent stem iPS 46 Vitro fertilization 46 genetically defective 46 tissue grafts 46 ovarian hyperstimulation syndrome 46 spermatozoa 46 undifferentiated stem cells 46 HSPCs 46 Cyagra 46 fertilising eggs 46 hormonal stimulation 46 pregnancies 46 Gamete 46 artificially inseminated 46 implanted Suleman 46 aborting fetus 45 unborn 45 frozen semen 45 mesenchymal stem cells MSCs 45 mouse embryo 45 fertility 45 Culling embryonic stem cells 45 insulin producing 45 female fetuses 45 livers 45 ovaries removed 45 bone marrow derived mesenchymal 45 mouse ESCs 45 infertility 45 artificial procreation 45 Gab Kovacs 45 tissue 45 babies umbilical cords 45 ovulation induction 45 triploid 45 cloned embryonic stem 45 Mizmedi Hospital 45 extracting stem cells 45 trisomy 45 ovulates 45 placental stem cells 45 myoblasts 45 Human Embryonic Stem 45 unborn fetuses 45 human ESCs 45 invitro 45 mouse testes 45 sperm fertilizes 45 corneal cells 45 Britain Human Fertilization 45 Massospondylus 45 chromosomal anomalies 45 gamete donors 45 stem cell therapies 45 pancreatic cells 45 organ transplants 45 genetic imprinting 45 Eleanor Nicoll spokeswoman 45 hpSCs 45 Extracting stem cells 45 Umbilical cord blood 45 artificial ovary 45 conceptus 45 transgenic organisms 45 MizMedi Hospital 45 human embryo cloning 45 artificial fertilization 45 hereditary diseases 45 transplanted ovary 45 Fertilized eggs 45 acrosome reaction 45 conceive naturally 45 estrus cycle 45 babies 45 transgenic mice 45 centrosomes 45 stillborn infants 45 zebrafish embryos 44 Cord blood 44 Artificial insemination 44 donor pancreases 44 amniocentesis 44 germline 44 broodstock 44 mosaicism 44 stimulate ovulation 44 pluripotent human 44 Embryo adoption 44 teratoma 44 embryo implantation 44 sperm donor offspring 44 Vitro Fertilization IVF 44 embryology 44 aneuploidy screening 44 spermatogonial cells 44 somatic stem cells 44 ovulate 44 human parthenogenetic stem 44 Somatic cell 44 ovules 44 Human Embryo 44 multiple gestations 44 pituitary glands 44 Reproductive Ethics 44 cumulus removal 44 insemination 44 imprinted genes 44 premature menopause 44 vitrification 44 yolk sac 44 ovule 44 mammalian embryos 44 ovulation fertilization 44 HSCs 44 iPSC lines 44 pluripotent 44 Sertoli cells 44 vitro fertilizations 44 Pluripotent stem cells 44 granulocytes 44 Buchweitz 44 ivf 44 embryo implanted 44 fertilized ovum 44 egg 44 epiblast stem cells 44 Grompe 44 FoxO3 44 transgenic animal 44 tissue samples 44 morula 44 Stem Cell Research 44 transplants 44 cumulus cells 44 transplantable organs 44 bone marrow transplants 44 intrauterine insemination 44 transplantation 44 chimerism 44 Fallopian tubes 44 Stem Cell 44 transgenic rats 44 unspecialised 44 parthenogenetic cells 44 uterus 44 Hair follicles 44 intrauterine insemination IUI 44 embryologist 44 transplanted bone marrow 44 bovine semen 44 genetically modified mice 44 hematopoietic stem cells 44 Prof Wilmut 44 Bioethics 44 cryopreservation 44 allogeneic 43 transdifferentiation 43 pancreata 43 Male infertility 43 corpus luteum 43 gestational sac 43 Assisted reproduction 43 panda sperm 43 IVF Clinic 43 Beckwith Wiedemann syndrome 43 transgenic 43 aborting fetuses 43 Umbilical cords 43 embryonal 43 preimplantation 43 skeletal muscle cells 43 oocyte donation 43 assisted procreation 43 MizMedi 43 RBCs 43 chromosomal DNA 43 corneal tissue 43 preimplantation genetic 43 pluripotent meaning 43 placental cells 43 matings 43 anonymous sperm donor 43 fungal strains 43 stromal vascular fraction 43 Human Tissues 43 pancreatic tissue 43 Octuplets mom identifies 43 Mycoplasma capricolum 43 IVD sperm 43 zebra fish 43 transplanted ovarian 43 Human Fertilization 43 pancreatic islet cells 43 anencephalic 43 Donor Egg 43 Hirschsprung 43 primordial follicles 43 replace diseased tissue 43 offspring 43 embryoid bodies 43 Touirat 43 engineered bladders 43 allograft 43 embryo cloned 43 adipose derived stem cells 43 multipotent stem cells 43 bone marrow 43 ovary transplant 43 spermatogonia 43 retinal cells 43 reimplanted 43 genetically reprogrammed 43 genetic modification 43 Hashmis 43 intra uterine insemination 43 preimplantation genetic screening 43 octuplets conceived 43 Renee Reijo Pera 43 Zavos 43 uteri 43 Professor Trounson 43 iPSC 43 embryonic germ 43 seminiferous tubules 43 cloned pigs 43 gonadotropins 43 fibroblast cells 43 diseased tissues 43 HESCs 43 Embryo mix 43 hpSC 43 womb 43 Cloned animals 43 neural crest stem cells 43 bone marrow stem cell 43 Marius Wernig 43 domino transplant 43 cultured cells 43 ASRM 43 donor corneas 43 weeks gestation 43 prostate tissue 43 mutant alleles 43 karyotyping 43 cells cardiomyocytes 43 proscribe abortion 43 ovarian hyperstimulation syndrome OHSS 43 regenerative medicine therapies 43 sperm donation 43 bone marrow transplantation 43 mouse oocytes 43 mammalian embryo 43 cardiac progenitor cells 43 GFP gene 43 amniotic sac 43 Geoffrey Sher 43 vitro maturation IVM 43 genetically engineered salmon 43 Embryology Bill 43 Professor Ian Wilmut 43 HLA matched 43 haploid 43 preimplantation embryos 43 IVF pregnancies 43 Amniocentesis 43 hematopoietic cells 42 cell transplantation 42 singleton babies 42 male reproductive organs 42 Adult Stem Cells 42 Fertility Society 42 surrogacy arrangement 42 thawed fertilized 42 multipotent adult 42 monocyte derived stem cells 42 Yamanaka recipe 42 piglets 42 Human Embryos 42 divide asymmetrically 42 aborted babies 42 reprogrammed stem cells 42 umbilical cord stem cell 42 IUGR 42 AquAdvantage salmon 42 unexplained infertility 42 Wilmut 42 tissue transplants 42 mutant mouse 42 MAPCs 42 clones 42 inseminated 42 chimeric mice 42 Natallie 42 cloned mule 42 transgenic zebrafish 42 genetically matched 42 Surrogate births 42 induced pluripotent 42 Sooam 42 Hawaiian taro 42 uterus didelphys 42 Dr Taranissi 42 reinfused 42 ligers 42 erythropoietin hormone 42 McGill Reproductive 42 allografts 42 sonogram 42 triplet pregnancy 42 gene expression Sapienza 42 Reproductive Medicine 42 bodily tissues 42 adipocytes 42 embryonic fetal 42 diploid 42 blocked fallopian tubes 42 ultrasounds 42 preborn 42 insulin secreting beta 42 abortions 42 Embryology 42 mitochondrial diseases 42 amniotic fluid donated 42 Richard Doerflinger 42 ovarian 42 ovulatory cycles 42 aborting babies 42 chorionic villus sampling 42 phthalate syndrome 42 hpSC lines 42 macaque monkeys 42 cloned animals 42 female gamete 42 Darnovsky 42 Induced pluripotent stem cells 42 intestinal stem cells 42 vitro Fertilization 42 retroviral vectors 42 neural stem cell 42 inseminate 42 chromosomes 42 embryonic tissues 42 insulin secreting islet cells 42 Ms. Pratten 42 Boisselier 42 genetically engineered mice 42 IPSCs 42 Embryonic cells 42 subfertile 42 genetically engineered mouse 42 liver regenerates 42 neuronal stem cells 42 dedifferentiation 42 genetic manipulations 42 cloned offspring 42 malignant tissues 42 inbred strains 41 embryological 41 surrogacies 41 genetically 41 egg retrievals 41 leukaemic cells 41 Mizmedi 41 spermatagonial cells 41 lifesaving cures 41 Morells embryo 41 Infertile couples 41 implantation 41 premature ovarian 41 transgenic chickens 41 rhesus macaque monkeys 41 transplantations 41 Dickey Wicker amendment 41 testis 41 medical ethicists 41 M. capricolum 41 artificial chromosomes 41 XX chromosomes 41 stem cell therapy 41 stem cell transplants 41 allogenic 41 Fallopian tube 41 engraft 41 retinal pigment epithelial cells 41 amniotic cavity 41 transplanted kidneys 41 Jaenisch 41 ambiguous genitalia 41 rotifer 41 reproductive endocrinologist 41 tumorous cells 41 urethras 41 alpha crystallin 41 female reproductive organs 41 hematopoietic stem cells HSCs 41 recessive genes 41 fertilized eggs implanted 41 reproduce asexually 41 Ian Wilmut 41 Embryonic 41 hairless mice 41 reproductive biology 41 asexual reproduction 41 chorionic villus 41 genetic manipulation 41 CHD7 41 mothers wombs 41 Siberian mammoths 41 cloned sheep 41 testicular cells 41 Vitro Fertilisation IVF 41 genetic alteration 41 marrow reprogram 41 amniotic fluids 41 Sperm 41 Eggan 41 haematopoietic stem cell 41 terminate pregnancy 41 prevent fertilized egg 41 follicle stimulating hormone 41 Embryonic Stem Cells 41 Genetic Savings 41 Reproductive Genetics Institute 41 corneas 41 regenerate tissues 41 virile reproductive 41 allogeneic endothelial cells 41 genetically modified 41 stem cell transplantation 41 Intra Cytoplasmic Sperm Injection 41 Robin Lovell Badge 41 hES 41 unfertilized 41 multi celled organisms 41 Progenitor cells 41 amnion 41 inseminating 41 PGCs 41 bone marrow aspirates 41 Surrogacy 41 Corneal transplants 41 Idaho Gem 41 ectopic pregnancies 41 ethicists 41 gestational surrogates 41 abortion 41 multipotent cells 41 xenotransplantation 41 Human Tissue 41 telomerase gene 41 biopsies 41 Yury Verlinsky 41 cloned mammal Dolly 41 Yanagimachi 41 unfertilized mouse 41 stem cells MSCs 41 Kamrava 41 retinal stem cells 41 aborted fetus 41 Zebrafish embryos 41 hematopoetic stem cells 41 Komodo dragons hatched 41 intestinal tissue 41 mammal cloned 41 autologous stem cells 41 Mesenchymal stem cells 41 CryoStor 41 abnormal prions 41 uteruses 41 planarians 41 culturing 41 Skutella 41 Arnold Kriegstein MD PhD 41 IVF PGD 41 Fertilisation 41 sperm retrieval 41 maternally inherited 41 Severino Antinori 41 synthetic genome 41 Kevin Eggan 41 thymocytes 41 allogeneic transplants 41 adipose stem cells 41 Natallie Evans 41 PrPSc 41 neural precursor 41 immunocompromised mice 41 trophoblasts 41 ovarian tumor 41 Culling stem cells 41 Corneas 41 Preimplantation Genetic Diagnosis 41 mouse embryonic stem 41 biobanks 41 induced pluripotent stem cell 41 polycystic ovaries 41 reinfusion 41 ovarian function 41 rhesus 41 abnormal cervical 40 HLA markers 40 pregnancy terminations 40 neural tube defect 40 artificially incubated 40 Human Embryology 40 gestational carrier 40 transplanting insulin 40 reproductive tracts 40 Pennsylvania bioethicist Arthur 40 triplet pregnancies 40 artificial corneas 40 hair follicle stem cells 40 breech babies 40 immunologically matched 40 testes 40 transplantable cells 40 preborn baby 40 insulin secreting cells 40 XY chromosomes 40 chimeric mouse 40 vertebrate embryos 40 Chromosomal abnormalities 40 transgenic plants 40 donor cornea 40 heifers 40 transgenic salmon 40 uterine cavity 40 Neural stem cells 40 unborn fetus 40 procreated 40 vitro pregnancies 40 singleton pregnancy 40 prostate glands 40 microscopic beads 40 thawed ovarian 40 multipotent 40 mealworms carpenter bees 40 explanted 40 terminate pregnancies 40 Klotho gene 40 umbilical stem cell 40 trophoblast 40 sow stalls 40 Infertile 40 reprogramming genes 40 pregnant mares 40 bioethics 40 cryoprotectants 40 fetal 40 cancerous breast 40 cellular reprogramming 40 terminally differentiated 40 TTTS 40 tetraploid cells 40 transplanting stem cells 40 grafts 40 pig islets 40 HeLa 40 haematopoietic stem cells 40 motile sperm 40 aneuploidies 40 RhD negative 40 BrdU 40 fetal ultrasounds 40 Leonard Zon 40 regenerating tissues 40 bcl 2 40 Umbilical cord stem cells 40 Scotland Roslin Institute 40 immature dendritic cells 40 simple cheek swab 40 hepatocytes 40 heterosis 40 epiblast 40 antithrombin 40 replacement heifers 40 cells 40 senescent cells 40 Cloned embryos 40 pyroprocessing 40 dog Snuppy 40 Monash IVF 40 oligodendrocytes 40 Ovarian Tissue 40 invasive biopsies 40 E. coli strains 40 Therapeutic cloning involves 40 polydactylism 40 Müller glia cells 40 cryogenically preserve 40 spermatagonial stem cells 40 hormone injections 40 neural progenitor cells 40 fattening pigs 40 liquid nitrogen tanks 40 random mutagenesis 40 stillborn fetuses 40 allograft tissue 40 progenitor cell 40 planarian 40 adipose cells 40 population doublings 40 clomifene 40 lung fibroblasts 40 photon microscopy 40 Dr. Irving Weissman 40 difficulty conceiving 40 cloned piglets 40 thale cress Arabidopsis thaliana 40 embryonic progenitor cells 40 Plastination 40 Suleman implanting 40 elective caesarean 40 Fauza 40 granule neurons 40 chromosomal defects 40 germline stem cell 40 TEL AML1 40 Fanconi anemia 40 Raelian cult 40 BRCA1 gene 40 iPS stem cells 40 monozygotic 40 outlaw reproductive cloning 40 HLA typing 40 Father Pacholczyk 40 Hoxb8 40 stem cell transplant 40 AquAdvantage 40 mesenchymal stem cells 40 Ovarian 40 Nightlight Christian Adoptions 40 conceiving naturally 40 bioluminescence imaging 40 preeclamptic women 40 transfusions 40 GRNOPC1 cells 40 reimplant 40 oophorectomy removal