Related by context. Frequent words. (Click for all words.) 65 PGD 57 vitro fertilization IVF 57 IVF 56 embryos 56 assisted reproduction 55 vitro fertilization 54 infertile couples 53 therapeutic cloning 53 assisted reproductive 52 amniocentesis 52 embryo 52 sperm donors 51 fertility clinic 50 infertility 50 fertility clinics 50 human embryos 49 surrogacy 48 HFEA 48 Human Fertilisation 48 Fertility 47 genetic defects 47 fertility treatments 46 genetic disorders 46 reproductive cloning 45 cloned embryos 45 surrogate mothers 44 stem cell 44 frozen embryos 44 human cloning 44 Infertility 44 embryonic stem cells 43 diagnostic tests 43 embryonic stem cell 43 artificial insemination 43 cloning 43 embryonic cells 43 geneticists 42 adult stem cell 42 Genetics 42 genetic 42 Stem Cell Research 42 microarray 42 DNA sequencing 42 stem cell therapies 42 male infertility 41 BRCA 41 fertilized eggs 41 stem cell research 41 ethicists 41 adult stem cells 41 eugenics 40 organ transplants 40 genotyping 40 BRCA1 40 fertilized egg 40 sperm donor 40 Cloning 40 human embryonic stem 40 prenatal 40 epigenetics 40 RNA interference 40 ovarian tissue 40 Pap smear 40 bioethics 40 fertility 39 Bioethics 39 terminate pregnancy 39 Down syndrome 39 Genetic 39 Pap test 39 newborn screening 39 personalized medicine 39 Reproductive Medicine 39 proteomics 39 bioethicist 39 presumed consent 39 gynecologists 38 genetic markers 38 cervical cancer 38 cord blood 38 molecular diagnostics 38 Stem cell 38 ICSI 38 Down Syndrome 38 stem cells 38 flow cytometry 38 Human Reproduction 38 Human Genetics 38 female fetuses 38 insemination 38 Stem Cell 38 regenerative medicine 38 genomic 38 ectopic pregnancy 37 transsexuals 37 bone marrow transplants 37 genetic disorder 37 vCJD 37 homosexuality 37 genomics 37 infertile