Wireless sensor network based on the ZigBee protocol consists of many sensor devices. In some cases, the sensor nodes may turn to isolated node because random distribution, particularly when creating the network. In this research was suggested two cases to overcome on the isolated node problem, the first case had able to overcome this problem by distributing the isolated nodes on the router nodes that carry the least number of sensor nodes, it helps to minimize the computational overhead on router nodes too, while the second one is able to overcome this problem by calculating the distance between the isolated nodes and the routers and then adds these nodes to the nearest routers. Subsequently, this method helps to minimize the energy consumption. The results show our approach able to solve the problem of isolated nodes using these two methods and when compared between them turns out the second method is better In terms of energy consumption. In addition, we are able to make the network larger scale.
Recurrent spontaneous abortion (RSA) is defined as the loss of pregnancy for at least two respectively times before the fetus reaches the twenty-four week of pregnancy, and its causes are multiple, some of which are known, but 50% of them are still unexplained. Antiphospholipid syndrome (APS), is one of the autoimmune diseases that can cause blood clots and lead to abortionor loss of the fetus in the first trimester of pregnancy. The study included 44 women who had repeated spontaneous abortions (two abortions or more) as well as two control groups (pregnant and healthy) who numbered 44 women, where 22 are naturally pregnant with a period of pregnancy 1-5 months without having had a previous abortionand 22 healthy women who are not pregnant and have given birth at least one child without previous abortions.Antiphspholipid syndrome was found to have a significant effect (p ≤0.05) on abortionfor aborted women to the control group (pregnant and healthy),as well asIt was found that there was a significant rise (p ≤0.05) in the level of tumor necrosis factor for abortions compared to pregnant women.
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