The Entire Process of Sperm Develop into a Fetus - Amazing and Rare Photos...: "
About 300 million sperms, but in most of the cases, only one sperm may pass through many obstacles, to fertilize an egg, eventually creating an embryo. Therefore, in general, inside hundreds of millions of sperms every sperm is the winners. Therefore, from this perspective, everyone is best, is the one of billions!
Pregnancy
The moment of a sperm trying to enter the egg
Two sperms penetrating an egg’s shell, which is after the twins
A longitudinal fragment of a sperm. Genetic material stored in the sperm head
8 days later, a new birth of the embryo positioned on an optimal location, and adsorption in the mucosa
12 days later, the embryos has not yet mature, but we can see inside the brain
24 days later, one of the first development organs the heart starts in beating
After 9 weeks, V-shaped blood vessel growth in the skull fusion Department
After 20 weeks, fetus is now about 20 cm
After 36 weeks, the fetus is tightly wrapped by the uterus
Final picture, 40 weeks, the upcoming birth of new life! Every life is miraculous and sacred, is the masterpiece of nature, please cherish yourself, be kind to each life!
"
About 300 million sperms, but in most of the cases, only one sperm may pass through many obstacles, to fertilize an egg, eventually creating an embryo. Therefore, in general, inside hundreds of millions of sperms every sperm is the winners. Therefore, from this perspective, everyone is best, is the one of billions! 
Pregnancy 
The moment of a sperm trying to enter the egg 
Two sperms penetrating an egg’s shell, which is after the twins 
A longitudinal fragment of a sperm. Genetic material stored in the sperm head 
8 days later, a new birth of the embryo positioned on an optimal location, and adsorption in the mucosa 
12 days later, the embryos has not yet mature, but we can see inside the brain 
24 days later, one of the first development organs the heart starts in beating 
After 9 weeks, V-shaped blood vessel growth in the skull fusion Department 
After 20 weeks, fetus is now about 20 cm 
After 36 weeks, the fetus is tightly wrapped by the uterus 
Final picture, 40 weeks, the upcoming birth of new life! Every life is miraculous and sacred, is the masterpiece of nature, please cherish yourself, be kind to each life! 
