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Early spring is the best time to plan a pregnancy and conceive a baby.
Last reviewed: 01.07.2025
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If you are planning to have a child, then you should listen to the advice of scientists from Israel: winter and early spring are the best time to conceive a child. Experts believe that the quality of male semen depends on the time of year and even on weather conditions.
In the process of studying the problem of male infertility over the past few years, Israeli specialists have examined sperm samples from more than 6,000 men who were undergoing treatment. During the study of the characteristics of sperm, scientists discovered that the number of sperm in men can change depending on the season and time of year. For example, in winter, the number of sperm increases significantly and, in addition, they become more mobile than in the warm season. A similar pattern is noted in early spring, and with warming, the number of active sperm gradually decreases. Some scientists associate this discovery with the fact that, according to statistics, the largest number of children are born in the fall.
At the moment, experts are trying to establish a connection between male "productivity" and the seasons. Presumably, the quality of sperm can be affected by air temperature and weather conditions. Several experiments on animals were previously conducted, during which scientists were able to establish several factors that can affect male fertility and the production of seminal fluid. Among the factors discovered, scientists identified temperature, duration of exposure to daytime sunlight and, of course, hormonal changes in the body.
The study, conducted by Israeli specialists, involved a detailed analysis of the sperm of more than 6,000 adult men who were undergoing fertility treatment over a three-year period. About a quarter of the men were found to have low sperm counts. The remaining men (about 4,500 people) had normal sperm counts.
After comparing winter and summer sperm counts, doctors found that during the cold season (winter and early spring), about 5% of the total sperm count could be considered mobile and active. With seasonal warming, the percentage of active sperm decreased to 2.5-3%.
Reproductive studies of recent years show that every year the male population of the planet experiences a decrease in the number of active spermatozoa and the reason is not always hidden in changing temperature conditions. The exact reason has not yet been established, but scientists have identified many factors that can affect male fertility and conception of a child. A sedentary lifestyle, abuse of fast food and alcoholic beverages, lack of physical activity can affect reproductive function not only in men but also in women. Excess weight and obesity are independent factors that can cause infertility, which subsequently may not respond to treatment. Deterioration of environmental conditions in large cities, widespread pollution of the environment cannot but have an impact on the general health of a person and on the quality of sperm in men in particular.
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