To examine the feasibility, efficacy, safety, and acceptability of medical abortion among rural and urban women up to 56 days of pregnancy in the Democratic People's Republic of Korea.
The high risk of knee injuries in female may be associated with sex-steroid hormone fluctuations during the menstrual cycle by its effect on ligaments and tendons stiffness. This study examined changes in knee range of motion in presence of estrogen and progesterone and investigated the interaction of their antagonists to relaxin receptors.