A secondary headache is a symptom of a disease that can activate the pain-sensitive nerves of the head. Any number of conditions â varying greatly in severity â may cause secondary headaches. Possible causes of secondary headaches include: Acute sinusitis. Arterial tears (carotid or vertebral dissections)
The fallopian tube is a crucial structure involved in successful reproduction and, like with all structures in the human body, sometimes problems occur that hinder the structure's ability to function properly.
Fallopian Tube Problems. Problems with the fallopian tubes also account for a significant percentage of infertility cases. Sometimes, the tubes may be blocked or they may be scarred as a result of disease or infection. When an egg is released from one of the ovaries, it travels through one of the fallopian tubes, which are narrow ducts that connect the ovaries to the uterus.