Related by context. Frequent words. (Click for all words.) 54 donor insemination 52 donor sperm 51 sperm donors 48 IVF embryos 48 sperm donation 47 Artificial insemination 47 embryo transfers 47 anonymous sperm donor 47 umbilical cord stem cells 46 preimplantation genetic diagnosis 46 IVF treatment 45 mothers 45 vitro fertilization treatments 45 prospective adoptive 44 surrogate mothers 44 surrogate 44 gamete 44 IVF 44 donor 44 childless couples 44 Sittercity.com 43 newborns 43 embryos implanted 43 leftover embryos 43 infertile couples 43 fertility treatments 43 IVF cycles 43 ovarian stimulation 43 vitro fertilization 43 infants 43 newborn infants 42 intrauterine insemination 42 Umbilical cord blood 42 conceive naturally 42 childbearing 42 neural tube defect 42 surrogate mother 42 fertility clinics 42 undergoing IVF 41 unexplained infertility 41 IVF treatments 41 pancreases 41 umbilical cord blood 41 expectant parents 41 gestational carrier 41 stem cells harvested 41 infertility treatments 41 oocyte 41 vitro fertilization IVF 41 sperm donor 41 unfertilized eggs 41 insemination 41 pregnancies 41 conceive 41 embryos 41 artificial insemination 41 bone marrow transplants 41 embryo 40 GeneTree 40 difficulty conceiving 40 Parental consent 40 cloned stem cells 40 unfertilized human 40 gametes 40 babies 40 extract stem cells 40 cheek swabs 40 surrogacy 40 embryo implantation 40 Prader Willi syndrome 40 vitro fertilization clinics 40 donors 40 marrow donors 39 ovulated 39 rhesus 39 CMV infection 39 prenatally 39 oocytes 39 assisted reproduction 39 unfertilized egg 39 ovum 39 granulocytes 39 lifestage 39 cord blood 39 facilitates umbilical cord 39 cryopreserved 39 ASRM 39 unused embryos 39 caregivers 39 aneuploidy 39 Trisomy 38 terminate pregnancies 38 fertility clinic 38 infertility 38 fetal tissue 38 parents 38 adoptive parents 38 umbilical cords 38 artificially inseminated 38 Surrogacy 38 tissue transplants