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Prenatal development is the process in which an embryo and later fetus develops during gestation. Prenatal development starts with fertilization the first stage in embryogenesis which continues in fetal development until birth. .... The embryonic period in humans begins at fertilization (penetration of the egg by the sperm) and ...


Birth, also known as parturition, is the act or process of bearing or bringing forth offspring. ... Humans usually produce a single offspring at a time. ... The total gestation period from fertilization to birth is normally about 38 weeks (birth ... in a breech birth) of the baby is pushed against the cervix, which gradually dilates until is ...


The period between fertilization and birth is called pregnancy orthe gestation period ... The period of time between the birth of one generation and the birth of the ...


cytology Cytology is the study of cell structure: the answer you require is ' gestation period'.


Pregnancy. Or gestation period. ... What is the time period between the fifth and thirteenth centuries called? ... The time period from fertilization until birth?


1 Introduction; 2 Fertilization; 3 Pre-embryonic Period ..... This is a vital time for the embryo to develop healthily; taking supplements of folate, avoiding .... the medical term for the potential baby is embryo (early weeks) and then fetus (until birth).


Mar 31, 2015 ... About two weeks after a woman has her period, she ovulates and her ... into one cell, a process that's known as fertilization or conception. ... After the eighth week of pregnancy and until birth occurs, ... a first-time mother may feel the first fluttering movements of the fetus known as quickening, Burch said.


[England, Marjorie A. Life Before Birth. ... "Embryo: the developing organism from the time of fertilization until ... In man the term 'embryo' is usually restricted to the period of development from fertilization until the end of the eighth week of ...


The start of pregnancy is actually the first day of your last menstrual period. ... On average, fertilization occurs about two weeks after your last menstrual period. ... ( hCG) is a hormone present in your blood from the time of conception. ... After the eighth week and until the moment of birth, your developing baby is called a fetus.


Because the prenatal period is a time of preparation, pregnant women who avoid ... Prenatal Period — the period of time from fertilization until birth; 'pre' means ...