Reflection on Group Work

Topics: Pelvis, Childbirth, Uterus Pages: 6 (1987 words) Published: April 28, 2011
The outlet of the pelvis is filled with soft tissue and the strong diaphragm of muscle being the most important. The main function of the pelvic floor are2 support the weight of the pelvic &abdominal organs.Afford voluntary control over micturition defeacation& flatulation Diminishes the size of the vagina&causes engorgement of the clitoris during intercourse.Influences movement of the fetus during the seconnstage of labour.The pelvic consists of2layersof muscle:superficial layer which is smaller then the deeplayer.with both conbined contribute the overall strength of the pelvicfloor & r likely2become damaged during vaginal delivery.Bulbocavernosus Thismuscle arises from the perineum,passes around the vagina&embed n the clitoris.function:causes erection of the clit&contraction of the vagind during intercourse.Ischiocavernosus:this muscle extends from the ischial tuberosities2 the clitoris.Function contributes to the formation of the urethral spincter&does not become damaged during childbirth.Transverse perineal muscle:this extends from the ischial tub2the perineum,the fibres also intermingle w the perineal body&the anal spincter.function provides additional support,however will always become damaged during CB.External anal spincter.This muscle surrounds the anal office&attaches 2the coccyx.Function closes the lumen of the anus&prevents fetal incontinence.Thedeepmusclelayer comprisedof3 pairs of muscles which r known as the levator ani muscles. Pubococcygeus M extends from the pubicbone surrounding the urethra,vagina&rectum attaches2the coccyx.function supports the lower third of the vagina&rectum controls the flow of urincontrols defaecation,contracts during orgasm,aidsCB.Illiococcygeus M extends from the inner aspect of the lilacbone,meet in the perineum&extends2the coccyx.function provides support.Ischiococcygeus M triangular sheet of M.arises from the ischial spines&pass2the lower sacrum&upper coccyx.Function stabilies&supports the sacroiliac joint&sacroccygeal joint.Damage to the PFM will undermine its overall function.Damage 2thePF is classified according2structures involved. CM 2advise mom@AC of pelvecfloor exercise&perineal massage2minimise trauma.Also2prevent continence,prolapseof pelvic floor&can make birth easier.

The function of the Uterus is to prepare monthly to receive a fertilised ovum. The uterus then acts as a shelter for the fetus during pregnancy. Providing a suitable environment for growth and development of the fetus. The uterus also assists in the expulsion of the fetus, placenta and membranes at delivery. Followed by the uterus returning to its non-pregnant state. the uterus grows in all dimensions and changes shape. Usually the blastocyst implants itself in the fundus (upper part) of the uterus. Size increases2 30x23x20@term Extra growth results inthe uterus walls thickening. LayersThe Uterus has 3 layers; the endometruim , myometrium and perimetrium.The Endometrium is the lining of the uterus. It is constantly changing in thickness throughout the menstrual cycle During pregnancy The endometrium thickens into the decidua,helped by progestone&oestrogen,and provides the nourishment for the blastocyst. Myometrium muscles become more defined,inner circular developed 2strechlower segment&cervix during labour. Middle oblique layer developed2 enable contraction2occour&constricy after birth.Outer longitudinal layer is developed2facilitate contraction&retraction. Also the muscle fibres lengthen and widen as the pregnancy increases2 allow the fetus2grow.Progesterone relaxes smooth muscleallowing the uterus 2strech.Aprrox 10mls/min of blood is passed through the uterus, blood supply is from the ovarian and uterine arteries.during first 10wk the isthmus lengthens&later forms lower segment By 12 weeks, the fetus has filled the cavity and the fundus may just be palpated at the pelvic brim Bywk30uterusispair shaped÷d2upper/lower segment.36wk is@ the xiphi sternum level pevic floor muscles soften& lower...
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