conception

In addition to providing an overview of the evolution of estrogen receptors, the study of a scholar group at the University of California, San Diego may lead to a way to prevent

A study of red jungle chickens demonstrates that males can adjust sperm speed and efficiency, depending on how attractive the object is.

Learn the whole process of fetal formation and development in the womb.

Time not only affects people's mental and physical but also sperm quality.

Being lazy to eat fruits or overcharging fast food will slow the conception of women in about 1 year.

Birds do it, bees do it, people from early age also did it. But how has this activity changed over thousands of years, and even in just the last few decades?

American experts have found a new plant-derived compound with miraculous contraceptive effects.

The probability of being

There are no significant differences between babies born in vitro fertilization and babies born naturally.

Every month the woman has only one egg to ripen and fall. In some cases, there are 2, 3, 4 ovulation at the same time causing the twin fetal fertilization, tam thai, and fetus ...