Shallow breathing, a fast and lightweight (shallow breathing) is used in the cervical opening stage 4-7 cm is used when the cervix is more prolonged strength fits and breathing frequency and use 1.
Shallow breathing faster and lighter (shallow breathing) used in the cervical opening 4-7 cm when uterine contractions labor force longer and more frequent and ineffective breathing at first.
Shallow breathing, fast and lightweight (shallow breathing) used in the dilatation 4-7 cm. Used when the uterus is Sita faster, longer, and more often and use the breath that 1 ineffective.