The structure of DNA lends itself easily to DNA replication. Each side of the double helix runs in opposite (anti-parallel) directions. The beauty of this structure is that it can unzip down the middle and each side can serve as a pattern or template for the other side (called semi-conservative replication).
Rupture of the uterus during pregnancy or labor is a serious emergency that can be fatal to both mother and fetus. Uterine rupture results in: 1  bleeding; 2  rupture of the amniotic sac (bag of waters); 3  partial or full delivery of the fetus into the abdominal cavity; and. 4  loss of oxygen delivery to the fetus.
Symptoms of an ectopic pregnancy are often confused with those of a miscarriage or pelvic inflammatory disease. The most common symptoms of a tubal pregnancy are abdominal and pelvic pain and vaginal bleeding. A ruptured ectopic pregnancy is a true medical emergency. If you suspect you have a ruptured ectopic pregnancy, call 911. Common symptoms of a ruptured ectopic pregnancy include the following: Lightheadedness, dizziness, almost passing out, loss of consciousness; Pale complexion, clammy-feeling skin; Sweaty; Fast heartbeat (over 100 beats per minute)