You'll notice some changes in your breasts as your body gets ready for breastfeeding your baby. Changes to breasts during pregnancy Your pregnancy hormones cause normal breast tissue to change into milk-producing tissue. This change happens as early as the first trimester (week 1 to week 12). Early on in the pregnancy, you may notice a tingling sensation in your breasts. Your breasts may feel tender and sore. This is due to increasing levels of the hormone progesterone. As your pregnancy progresses, your nipples and the areola (the area around the nipples) may darken in colour. The veins on the surface of your breasts may become more noticeable. You may also notice stretch marks on your breasts. From about 16 weeks your breasts are ready to start producing milk. This is colostrum (first milk). It's yellow in colour and is sometimes called 'liquid gold'. Your breasts may leak colostrum and you may be able to express small amounts. But there's no link between producing colostrum in pregnancy and your milk supply after the birth. In the last few weeks of pregnancy, your nipples and your breasts become larger. You can sometimes get breast lumps during pregnancy. Most of the time, these are benign and caused by hormonal changes. Breast cancer is uncommon in younger women and uncommon during pregnancy. But you should always get breast lumps checked by your GP. If you have an existing lump that changes during pregnancy, get this checked too.
Always get new breast lumps or existing lumps that have changed checked by your GP Sometimes blood-stained fluid may leak from your nipples. This may be normal - but it's very important to see your GP or breastfeeding specialist if you notice blood-stained nipple discharge. Most of the time this happens due to increased blood flow and rapid development of milk producing glands. It can also be caused by trauma to the breast or nipples. This is commonly known as 'rusty pipe syndrome' and usually disappears after a few feeds. Your breasts get ready during pregnancy by making milk for your baby. Becoming familiar with and handling your breasts during pregnancy is an important part of preparing to breastfeed your newborn. Continue your breast self-examination during pregnancy. This will help you become more familiar with your breasts. You can read practical tips for breastfeeding to help you build your confidence. These tips will help you to know what to expect when feeding your new baby. Some women find it helpful to join a breastfeeding support group during pregnancy. You can meet other new mothers and hear about their experiences. Find a breastfeeding support group near you You can discuss all aspects of breastfeeding with your midwife, public health nurse, GP practice nurse or GP. If you have any concerns, they can refer you to an infant feeding specialist before the birth of your baby. Healthy eatingA healthy diet and normal fluid intake is important when you're breastfeeding. You do not need to follow a specific diet. Learn more about what to eat while you're breastfeeding Pregnancy brasAs your breasts grow you should make sure your bra is well-fitting and not too tight. Let comfort be your guide. To find a well-fitting bra, make sure:
You can find good quality pregnancy and nursing bras in many shops. Ask the shop assistant to help you find the right fit. You can also buy maternity bras online. If you usually go without a bra, there is no need to wear one during breastfeeding.
In this articleAs your body gears up to support your growing baby, you produce more of the hormones oestrogen and progesterone.A similar hormone surge happens to you before a period (NHS 2018, Russo 2019), so this tenderness is probably an exaggerated version of how your breasts feel then (NHS 2019). You may have noticed this tenderness from about three weeks or four weeks of your pregnancy, before you even did a pregnancy test (Bharj and Daniels 2017, Murray and Hendley 2020). Along with the effects of a hormone surge, your breasts are likely to be getting bigger (Bharj and Daniels 2017, Murray and Hendley 2020, Russo 2019). This is because of changes happening inside your breasts that are preparing them for feeding your baby. Early in pregnancy, the mammary glands that produce breastmilk start to grow. Small clusters of grape-like sacs, called alveoli, develop to produce breastmilk. Channels that ferry breastmilk from the alveoli to the nipple, called ducts and ductules, increase in number, branch out and grow longer (Alex et al 2020, de Holanda et al 2016).
 Every woman's experience is different. Your breasts may grow quickly in early pregnancy, or they may grow gradually as your pregnancy progresses. You may not even notice much difference in the size of your breasts until the end of your pregnancy (Murray and Hendley 2020). When it does happen, though, the change in size can be quite dramatic, particularly if this is your first pregnancy. You will probably go up a couple of cup sizes by the time you have your baby. Don’t worry if this hasn’t happened by the end of pregnancy. Your breasts are likely to expand more once your newborn has arrived and your breasts fill with milk (Alex et al 2020 ). You may notice other changes, too. During sex you may feel a throbbing or tingling sensation in your breasts, as the blood rushes to them.
Your body changes in pregnancy Our video reveals how your body changes and makes room for your developing baby. Watch the amazing process in action. More inside pregnancy videos Yes, it is common to have sore breasts in pregnancy (Nazik and Erilmaz 2013). Having sore breasts is one of the top three things women complain about in early pregnancy, along with morning sickness and tiredness (Nazik and Eryilmaz 2014).Sensitive, tender and tingling breasts are also among the earliest signs that you’re pregnant (Bharj and Daniels 2017, NHS 2019). If you've been having fertility treatment and had sore breasts from the drugs, you may find this symptom confusing. Is it the drugs or pregnancy? Once you've got a positive pregnancy test, it's most likely that pregnancy hormones have kicked in and are causing the tenderness. Breast soreness is likely to ease off after your first trimester (Nazik and Eryilmaz 2014, Murray and Hendley 2020). Once you’re in your second trimester, your surging hormone levels will settle down. This won’t necessarily spell the end of painful breasts altogether, though. Breast pain and tenderness still affects almost half of women in the third trimester (Nazik and Erilmaz 2013).
Alex A, Bhandary E, McGuire KP. 2020. Anatomy and Physiology of the Breast during Pregnancy and Lactation. Adv Exp Med Biol 1252:3-7 Bharj KK, Daniels L. 2017. Confirming pregnancy and care of the pregnant women. In: McDonald S, Johnson G. eds. Mayes’ midwifery. 15th ed. London: Elsevier, 503-36 de Holanda AA, Gonçalves AK, de Medeiros RD, et al. 2016. Ultrasound findings of the physiological changes and most common breast diseases during pregnancy and lactation. Radiol Bras 49(6):389-96. www.ncbi.nlm.nih.gov [Accessed September 2020] Murray I, Hendley J. 2020. Change and adaptation in pregnancy. Chapter 10. In: Marshall J, Raynor M. eds. Myles Textbook for Midwives. 17th ed. Elsevier Nazik E, Eryilmaz G. 2014. Incidence of pregnancy-related discomforts and management approaches to relieve them among pregnant women. J Clin Nurs 23(11-12):1736-50 NHS 2018. PMS (premenstrual syndrome). NHS, Health A-Z. www.nhs.uk [Accessed September 2020] NHS. 2019. Signs and symptoms of pregnancy. NHS, Health A-Z, Pregnancy and baby. www.nhs.uk [Accessed September 2020] Quintero Rodriguez C, Troynikov O. 2019. The Effect of Maternity Support Garments on Alleviation of Pains and Discomforts during Pregnancy: A Systematic Review. J Pregnancy Aug 1: 2163790. www.ncbi.nlm.nih.gov [Accessed September 2020] Russo J. 2019. Breast development and morphology. UpToDate. www.uptodate.com [Accessed September 2020] Show references Hide references |
When do your nipples get sore in pregnancy
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