This is called the oxytocic (ok'see-toh'sik; "quick birth" G) effect.    From Wordnik.com.  [The Human Brain]

An oxytocic drug is given to help make the womb contract.    From Wordnik.com.  [Chapter 14] Reference

But, if the woman is rapidly losing blood and medical help is far away, use an oxytocic as suggested above.    From Wordnik.com.  [Chapter 26] Reference

Be careful in your choice of a midwife - and do not let your midwife use an oxytocic before the baby is born.    From Wordnik.com.  [Chapter 28] Reference

Be careful in the selection of a midwife - and do not let the midwife use an oxytocic before the child is born.    From Wordnik.com.  [Chapter 28] Reference

Four experimental models were employed to investigate the effects of the extract: anti-ulcer, antiasthmatic (in vivo), oxytocic.    From Wordnik.com.  [Chapter 7] Reference

In 1955 he prepared synthetic molecules that showed all the oxytocic, vasopressor and antidiuretic functions of the natural molecules.    From Wordnik.com.  [The Human Brain]

Use of any intramuscular oxytocic before the birth of the infant is generally regarded as dangerous, because the dosage cannot be adapted to the level of uterine activity.    From Wordnik.com.  [3. CARE DURING THE FIRST STAGE OF LABOUR] Reference

But if the mother is bleeding very heavily and you are a long way from the health center, you may decide to massage her womb or inject an oxytocic even if you were not taught this.    From Wordnik.com.  [Chapter 7] Reference

The chance of damage is greater if at birth the baby is slow to breathe, or if the midwife injected the mother with an oxytocic (medicine to speed up the birth or to 'give force' to the mother) before the baby was born.    From Wordnik.com.  [Chapter 28] Reference

In ancient Mexico, a decoction of the root of a plant called civapacthi, which possessed some oxytocic properties, was given, but if the pains were too severe, a small piece of the tail of an opossum, carefully rubbed down in water, had to be taken.    From Wordnik.com.  [Labor Among Primitive Peoples] Reference