The Oldest Active Navy Ship Is A Century Old Russian Submarine Tender. For what it lacks in beauty it sure makes up for it in character, Russia's 100 year old Kommuna is the world's oldest active naval vessel. Launched as a submarine tender back 1915, this pre-Bolshevik Revolution relic continues to serve as a salvage ship and midget sub tender as part of Russia's Black Sea Fleet.
3. Cinnamon. The third answer to how to cause a miscarriage is cinnamon. Cinnamon is a naturally occurring abortifacient (a substance that causes miscarriage). When taken in the correct dosage, it causes uterine stimulation.
When you have caffeine during pregnancy, it passes through the placenta to your baby. The placenta grows in your uterus (womb) and supplies the baby with food and oxygen through the umbilical cord. You may have heard that too much caffeine can cause miscarriage (when a baby dies in the womb before 20 weeks of pregnancy). Some studies say this is true, and others donât. Until we know more about how caffeine can affect pregnancy, itâs best to limit the amount you get to 200 milligrams each day.