5Appearance ∙ each breast is generally circular or tear drop in shape ∙ one breast is often larger thanthe other∙ a nipple is in the center of eachbreast∙ the nipple may stand out, beflat or pulled in∙ the colored area around thenipple is called the areola∙ the areola may be pink, brownor black like our complexion∙ little bumps called Montgomery’sglands may be seen on the areola∙ hair follicles are common around the nipple
6◦ breasts are positioned over the ribs and two muscles ◦ the breast extends from the collar bone to bra line and breast bone to the armpit◦ breasts are positioned over the ribs and two muscles◦ the muscles are called the pectoralis major and pectoralis minor muscles
7Composition each breast has 15-20 lobes each lobe has many small lobules (like astem ofgrapes)breastmilk isproduced inthe lobulesslendertubes calledducts carry thebreast milk tothe nipple
8the nipple has 6-8 openings where the milk is secreted fatty and fibrous tissueprovide shape andsupport tothe breast
9Illustrations: C2007 GCT II Solutions and Enterprises Ltd. THE BREASTVesselsChest wall muscleLymph nodeSupportive ligamentsLymph channelFatty tissueMilk lobes (glands)Lactiferous sinusLactiferous ductNippleAreolaIllustrations: C2007 GCT II Solutions and Enterprises Ltd.
10BREAST DEVELOPMENT begins during the 6th week of fetal life develops in a linecalledthe milk ridgefetaldevelopment
11The Milk Ridge the milk ridge runs from the armpit to the groin the lineshrinks by the9th week of fetal liferemaining onlyin thechest areainanimalsthe ridge remains,which is whythey havemultiple nipplesoccasionallya woman will havean extra nipple(on this line)which is oftenmistaken for abirthmark
12breast tissue is present at birth the tissue is sensitive to the 80-90%of all infants(boys & girls)havenipple dischargeon the 2nd or 3rdday of lifebreasttissueis presentat birththe tissueis sensitive to themothers hormonescirculatingthroughthe placentathisdischargeis calledwitch’s milkand goes awaywithin acouple ofweeks
13at puberty one breast may develop more quickly than the other a bud of breast tissuebegins to growunderthe nippleone breastmay always belargerone breastmay developmore quicklythan the otheratpubertythe ductsbegin to grow andreach full growtharound the timemenstruationbeginsthefemale hormonesestrogenandprogesteroneaffectbreast growth
15Breast Size◦ the proportion of milk glands, ducts and fat in the breast changes with age◦ during puberty the breast is mainly ducts◦ breasts of 20 year old women are mainly lobular (milk glands) tissue◦ size increases dramatically in pregnant and breastfeeding women◦ breasts of women over 50 years are mainly fatty tissue◦ because of the fatty makeup of breasts, size can change as a person’s body shape and size changes
17knowing whatis normalfor your breastsmay help youdetect changesif they occur.
18There is no need to follow any kind of routine or schedule. You can become breast familiarin any way that feels comfortable for you.
19This might mean looking and feeling while… ◦ getting dressed◦ looking in the mirror◦ in the bath or shower◦ standing up or lying down
20shapes colors breasts and nipples come in all different… textures sizes
21hair around nipples sensitivity inverted or nipples discomfort normaladolescentbreastsmay have…swelling,tenderness,increasedlumpynessnippledischargeadifferencein sizebetweenbreastsstretchmarks
22Potential Breast Changes to Check Out With Your Doctor changes insize,shape orcolourpain in thebreast or armpitthat isunrelated to one’smenstrual cyclethickened orhard skina new lumpspontaneous,new or bloodynipple dischargepuckering ordimplingof the skinachangein thenipple
23Provided by: CancerCare Manitoba Breast Screening Program Breast Health – There is so Much You Can Do (Pamphlet)
24be “P.I.N.K.” to reduce your risk BREAST CANCERP ractice what you knoweat healthybe activedon’t smokeone drink per day or lessI nvestigate the informationknow fact from fictionN know what’s normalfor your body and breastsK nowledge is power
25Students should contact CancerCare Manitoba Breast Cancer Centre of Hope( or Toll Free at )in Winnipeg for further information if necessary.