The reason why pregnant women B is difficult to purchase Pregnant women B refers to pregnant women. Due to the special physical conditions, their needs are different from those of ordinary people. However, products targeting pregnant women are not popular, which makes it difficult to buy important clothing, food, etc. for pregnant woman B. So, why is it difficult for pregnant woman B to buy it? 1. Low demand. The market demand for pregnant women B is relatively small, so manufacturers are forced to produce fewer products. In addition, pregnant women are in a special body that needs to pay attention to diet, health care, rest, etc.