Related by context. Frequent words. (Click for all words.) 61 ovarian tissue 61 undergoing IVF 60 IVF treatment 59 vitro fertilization IVF 59 IVF 58 vitro fertilization 58 neural tube defect 58 difficulty conceiving 56 IVF cycles 56 cloned embryo 56 fertility treatments 55 caesarian section 55 infertility treatments 55 embryo transfers 54 artificially inseminated 54 premature menopause 54 assisted reproduction 53 conceive naturally 53 congenital abnormalities 53 infertility 53 IVF treatments 53 caesarean 53 cloned embryos 53 frozen embryo 53 Caesarean delivery 53 artificial insemination 53 infertile 53 extracted stem cells 52 polycystic ovary syndrome 52 Caesarian section 52 pregnancy 52 caesarean section 52 embryo 52 ovary 52 cesarean delivery 51 donor sperm 51 infertile couples 51 mouse embryos 51 identical triplets 51 ectopic pregnancies 51 prenatal diagnosis 51 inseminated 51 extracting stem cells 51 transplanted tissue 51 ovulate 51 embryos implanted 50 bone marrow stem cells 50 transplantations 50 oocytes 50 babies 50 premature babies 50 newborn infants 50 terminate pregnancies 50 fertility 50 terminating pregnancy 50 journal Fertility 50 insemination 50 fetu 50 pregnancies 50 transplant 50 assisted reproductive 50 cell transplantation 50 hormone progesterone 50 sperms 50 quadruplets 49 ellaOne 49 terminate pregnancy 49 Cesarean 49 prenatally 49 ovaries removed 49 septuplets 49 cloned sheep 49 sperm 49 bone marrow transplants 49 birth 49 Snuppy 49 triplets 49 gestational carrier 49 oral contraception 49 Caesarean section 49 Human Reproduction 49 conjoined twins 49 chromosomal abnormality 49 ovarian function 48 quintuplets 48 IUI 48 stem cells 48 baby 48 bacterial vaginosis 48 twins 48 genetic abnormalities 48 hormone injections 48 Infertility 48 breastfed babies 48 contraceptive pill 48 Isabelle Dinoire 48 chromosome abnormalities 48 ectopic pregnancy 48 chromosomal abnormalities 48 cryopreserved 48 stem cell transplant