An embryo may be implanted.Logical formLearned from14 sentences. An embryo may be implanted in an uterus.Logical formLearned from14 sentences. Research may involve destruction of embryos.Logical formLearned from14 sentences. Embryos can be for (stem cells).Logical formLearned from14 sentences. Embryos can be capable of developping into a tissue of a body.Logical formLearned from14 sentences. A cell may be removed from an embryo.Logical formLearned from14 sentences. Some embryos may be identified during gestation.Logical formLearned from13 sentences. Embryos may be sustained by histotroph.Logical formLearned from13 sentences. Sex may pertain-to an embryo.Logical formLearned from13 sentences. Embryos can be frozen.Logical formLearned from13 sentences. Embryos can be nonviable.Logical formLearned from13 sentences. An embryo can be mature.Logical formLearned from13 sentences. Growth may pertain-to an embryo.Logical formLearned from13 sentences. Delivery can be at (embryo development-health).Logical formLearned from13 sentences. A generation can be in embryo.Logical formLearned from13 sentences.