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The First Month of Human Development Begins with Fertilization

When the sperm meets the egg, a human cell is produced. From this single cell, a human body is built, containing over 30 trillion cells. How does that happen? Science really has no answer to that question. Dr. Jacob Hanna at the Weizmann Institute of Science refers to this stage of human development as a “black box.” Most of the research on embryo development has been done on mice, rabbits, chickens, and frogs. What happens during the first month of human development remains largely unknown.

Understanding what goes on during the first month of human development would help in dealing with miscarriages, congenital birth defects, and the side effects of medications taken during pregnancy. Dr. Hanna and other researchers have built a group of cells that act like an embryo but can’t grow into a fetus. This group contains the cell types that are essential for an embryo’s development, including the placenta, yolk sac, and outer membrane. This is all before any organs are formed, and takes about eight days.

Dr. Hanna does his research without using fertilized eggs or anything derived from aborted babies. Scientists are already using these stem cell models taken from adult skin cells. This work could have addressed some problems of the past, such as the drug thalidomide, which was used as a treatment for morning sickness and was found to cause birth defects.

The complexity of the changes taking place during the first month of human development speaks of the wisdom and design that has produced all humans. We are very different from the animals that make up the world around us. The difference becomes evident as we study the development of a fetus from the single cell that started the process.

Many years ago, the writer of Psalms 139:13-14 reflected on this as he said, “For you created my inmost being: you knit me together in my mother’s womb. I will praise you because I am fearfully and wonderfully made; your works are wonderful, I know that full well.”

Reference: CNN Wonder Theory Science Newsletter for October 26, 2023, by Katie Hunt.

Yesterday, the United States Supreme Court heard arguments on a Mississippi law prohibiting most abortions after 15 weeks. Protestors on both sides of the abortion issue were active outside of the Supreme Court building. Many abortion advocates, including politicians, have threatened violence if the court strikes Roe v. Wade. Unfortunately, there are no easy answers as people argue about women’s rights and unborn babies’ rights. While research continues to show the humanity of the unborn child, we see inconsistent fetal laws.

More than 38 states in America have “fetal assault laws” on the books. In the past 15 years, about 1200 American women were criminally charged for taking illegal recreational drugs resulting in a miscarriage. If someone assaults a pregnant woman, killing the baby, that person is guilty of murder in most states. This was true in Old Testament times as well (See Exodus 21:22-23).

Researchers at the University of Oxford had the rare opportunity to study gastrulation of a human embryo from an abortion16 to 19 days after fertilization. Lead researcher Shankar Srinivas, an expert in developmental biology, explained that gastrulation is a process that begins about 14 days after fertilization. At that time, different cells emerge and arrange themselves to form various organs in the human body. The new research into gastrulation has the potential to open ways to prevent congenital abnormalities.

The research by Dr. Srinivas gives a glimpse into early human development. When fertilization occurs, we are dealing with a human, not a blob of chance cellular accumulation. The complexity of this system speaks of God’s design and is precious and unique. A news report quoted Dr. Daniel Sulmasy, the director of the Kennedy Institute of Ethics at Georgetown University, saying that this research shows “recognition of the humanness of the embryo.”

It is within our grasp to prevent conception and avoid the destructive actions of an abortion that can also cause physical and mental harm to a woman. It starts with understanding that sex is not a meaningless physical act but a joining of two people in a deeply personal relationship. That was God’s plan from the beginning. We understand more and more about how this design works, and a consistent approach to the facts can lead us toward an end to inconsistent fetal laws.

References: South Bend Tribune 11/20/21, page 4C and The Week 11/26/21. Here is a link to an APNews article, and you can find the research article at Nature.com.