Period of pregnancy in which exposure to a teratogen is much less damaging Very early or very late Possible consequences of exposure to a teratogen during critical periods Harm or kill embryo/fetus Reason low to moderate levels of a teratogen may cause no abnormalities to the embryo during the first 2 weeks of life Still traveling down the fallopian tube to the uterus and has not, yet, embedded into the endometrial wall so there is not a connection between the maternal and fetal circulatory systems
Gabriella /gab-ri-el-la/ [4 sylls.] as a girls' name is of Hebrew origin, and the name Gabriella means heroine of God. Gabriella is a variant transcription of Gabrielle (Hebrew): feminine of Gabriel. Gabrielli is a popular surname. Kreatif forms: Gabrielda, Gabrielga, Gabrielna.
Meaning of Gayla: This is a modern variant of the name Gail, which is a variant of the name Abigail, which is derived from the Hebrew name Avigail (joy of the father).rigin and meaning of Gayla. 3 5. The meaning of Gayla is  Joy of the Father . Its origin is  Variant of the name Gail . Gayla is a form of Gail and is generally pronounced like  GAY lah  and  GALE ah .