foolproof, wasn't surprised by the reports of dozens of unwanted pregnancies in Stockholm. The Swedish capital, after all, is the app's hometown, and where it has the highest density of users.

Dr Scherwitzl says the numbers were within the expected range. "No contraception is 100 per cent effective, including Natural Cycles," he says. "As the product gains in popularity, it's not unexpected that a small fraction of users will experience unplanned pregnancies."

Sweden's Medical Product Agency agrees and has closed its investigation into the app's marketing. Natural Cycles hopes women will still consider the app and that the attention will encourage other contenders to enter the female technology market.

"I hope we're paving the way for future companies to move into this space," says Dr Scherwitzl. "Pharmaceutical businesses have stopped innovating[A case of myelopathy due to a peculiar anomaly of the axis].
A very rare case of cervical myelopathy due to an anomaly of the axis was encountered. The patient was a 42-year-old man, in whom motor and sensory disturbance of the four extremities had been in progress during the last two years. Neurological examination revealed myelopathy at the high cervical cord. The operative findings were characterized as follows: The lamina on both sides of the axis was separated at the base of the spinous process. The two bony protrusions from the normally shaped spinous process entered the spinal canal, and was attached to the internal surface of the lamina with connective tissue, and this abnormal bone compressed the cervical cord. Following laminectomy of the axis and excision of