Early human embryogenesis. (1981)

A midwife with a newborn baby in her arms.

Spermatozoa under a microscope.

The structure of the sperm.

The egg.

The structure of the ovary.

Development (maturation) of the egg (animation).

Ovary on ultrasound.

The egg is ejected into the abdominal cavity.

Fertilization (animation).

Zygote formation and fragmentation (animation).

Implantation (animation).

Fetal egg in the uterus (photo).

The embryo in the lining of the uterus (photo).

Further development of the embryo (animation).

The embryo is in the second month of development.

Development of a chicken (shooting under a microscope).

A two-month-old fetus.

The embryonic and maternal parts of the placenta (animation).

Placenta.

Metabolism between the organisms of the mother and fetus (animation).

The formation of the nervous system and sensory organs, the laying of other organs (animation).

Pregnant woman on ultrasound.