Late abortion (20-24 weeks). There are two options for a late abortion carried out at 20-24 weeks. Both require an overnight stay in hospital and are described below. 1  Surgical two-stage abortion â stage one stops the heartbeat of the foetus and softens the cervix.ate medical abortion (from nine to 20 weeks of pregnancy). As well as being used for early abortion, mifepristone and prostaglandin can also be used for abortion later in pregnancy. However, the abortion will take longer and more than one dose of prostaglandin may be needed.
Katanas are curved because, when forging, the side of the edge is being squished, and the metal is being squished away from that point, thus bending the sword. kenno99999 July 12th, 2017
Katana-makers use two types of tamahagane: high-carbon, which is very hard and allows for a razor-sharp edge, and low-carbon, which is very tough and allows for shock absorption. A sword composed simply of one kind of steel or the other would either dull too quickly or be too brittle.