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Fetal Development - Educational Resources

Quick Facts and Figures  |  Educational Resources  |  Organizations  |  References

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“Before I formed you in the womb I knew you.”  Jeremiah 1: 5

The Church affirms that every human life is sacred.  From the moment of conception, under the benevolent plan of God, a unique and unrepeatable human being with a destiny of eternal beatitude is brought into existence.  “Although most developmental changes occur during the embryonic and fetal periods, some important changes occur during later periods of development:  infancy, childhood, adolescence, and adulthood.  Although it is customary to divide human development into prenatal and postnatal periods, birth is merely a dramatic event during development resulting in a change in environment.  Development does not start or stop at birth.” ¹ The beauty and mystery of the development of the human is one to be revered and respected for its true dignity - from the moment of conception.   

- Quick Facts and Figures-

"A child ... is a gift. The 'supreme gift of marriage' is a human person. A child may not be considered a piece of property, an idea to which an alleged 'right to a child' would lead. In this area, only the child possesses genuine rights: the right 'to be the fruit of the specific act of the (marital) love of his parents,' and 'the right to be respected as a person from the moment of his conception.' " ²

Once the sperm and egg join in the fallopian tube, a unique human being is created.  Learn More:

• By day 20 after conception, a very young person's heart, brain, spinal column, and nervous system are almost complete and his eyes begin to form
  
• By Week 5 after conception a very young person's face is taking shape; his forehead, eyes, nostrils and mouth are evident; external ears are beginning; hand and foot plates appear in his limb buds.
  
• By Weeks 9-10 after coneption, all areas of a very young person's body are sensitive to touch. He sucks his thumbs, swallows, squints, frowns and puckers his brow. If his palm is stroked, he will make a tight fist.
  
• By month 4, this little baby's heart is pumping six gallons of blood every day, and his mom can now feel him jumping around and turning somersaults, exercising the muscles and lungs he will need to live outside his mother's womb. Rapid eye movement (REM) can be recorded while he's sleeping, indicating that he is dreaming.
  
• Learn more ... 

- Educational Resources -

Church Documents
United States Conference of Catholic Bishops (USCCB)
Mulieris Dignitatem: The Dignity and Vocation of Women (MD)
Blessed John Paul II's Letter to Women
Catechism of the Catholic Church (CCC) 
Evangelium Vitae: The Gospel of Life (EV)
Donum Vitae: The Gift of Life (DV)
Humanae Vitae(HV)

On-line Information, Books, and Brochures 
Amazing 4-D video of fetal development
Prenatal Overview: Terminiology, Images, Information
Images of Fetal Development
Brochure - How You Began
Book - A Child is Born
Book - Before You Were Born
Misc - Fetal Development Model

Spiritual Adoption: Fostering the Understanding of
Fetal Development

- References -

1. Moore, Keith L. and Persaud, T.V.N.  The Developing Human:  Clinically Oriented Embryology. 6th ed.   Philadelphia:  W.B. Saunders Co, 1998.
2. CCC 2378, DV,II,8