Pattern. 1  the pattern will be compared to the name. * 2  is a wildcard that will match zero or more letters example: *oo* will match names which contain oo. _ 3  is a wildcard that will match exactly one letter example: __z will match names which have two letters and then a z.
Normally, the placenta is attached to the uterus above the cervix. In rare cases, the placenta forms low in the uterus and is partially or completely covering the cervix. When the placenta is blocking the cervix, it is called placenta previa. Placents posterior mean high risk in doctor's language Posterior means back.
When the back of the head is facing the back of the mother (posterior) the baby's position is called Occiput Posterior. This occurs in 15-30% of labors. A baby who does not rotate into an anterior position during labor is considered a persistent posterior..