Uterine tools

Uterine tools - drugs, mainly affecting the muscles in the uterus. They cause the strengthening of contractile activity of myometrium and improve its tone. The group uterine tools are alkaloids LPV (see), the hormones of the posterior lobe of the pituitary gland (see Pituitrin, Memorizing, Oxytocin), some ganglioblokirute preparations (see Severin, Pahikarpin) and the so-called small uterine tools - Katenin (see), Galanova drugs barberry, shepherd's purse, etc. Uterine funds mainly act directly on the muscles of the uterus. The excitability of the uterus is variable, it changes under the influence of various hormones. So, estrogenic hormones increase, and the hormone yellow body lowers the sensitivity of the uterus to the fallopian means. Therefore, in the first half of pregnancy, when the activity of the yellow body is great, the uterus is responsible weak reaction to uterine funds. In the second half of pregnancy, when increases the content of oestrogen hormones, anxiety uterus increases.
Uterine funds differ in the nature of the uterus: the ergot drugs cause prolonged spasms her muscles; quinine (see), pituitrin in small doses, brevicollis (see), witrain (see), increasing uterine contractions, do not change their rhythm. Therefore, the ergot drugs used primarily to stop uterine bleeding in the postpartum period, after caesarean section and to accelerate the reverse development of the uterus. Appointed after the release of the placenta, otherwise it creates the threat of delays it in the uterine cavity. Drugs LPV used in menorragiah and metrorragia. To accelerate delivery the use of these drugs is contraindicated because they are causing tonic contraction of the muscles of the uterus, can disrupt blood flow and cause asphyxia fruit. Uterine tools that enhance the rhythmic contractions of the uterus, appointed for stimulation generic activities in the weak attempts at an early discharge of waters, and also in case of incomplete miscarriage. Application of uterine funds contraindicated in pregnancy.