I’ve never ever truly been a large fan of any individual who compels you to think a particular method concerning a subject. This is specifically true in the locations of fitness, health and wellness, weight reduction and also the like. That’s why it’s always good to take things you review on-line with a grain of salt. Yet it’s still excellent to check out as long as you could so you can absorb various perspectives. That’s why you will see a great deal of various kinds of write-ups and opinons on this blog site. I attempt to share things that I locate fascinating. It’s up to you as an individual, nonetheless to really determine if you could think it or otherwise. Take the write-up listed below, for example. Some will certainly concur as well as some will certainly differ. Some will certainly be delighted, others anxious or dissatisfied. However you need to ensure you’re investigating beyond the heading, or solitary article on this website or that internet site. Just what are your thoughts on just what I’ve discussed here? Allow me understand if the comments.
Infertility and hormonal fertility treatments may influence the amount of dense tissue in the breast, a risk factor for breast cancer, according to a study involving 43,313 women, published in the open http://www.fitness.com/ access journal Breast Cancer Research.
Researchers at Karolinska Institutet, Sweden found that women with a history of infertility had denser breasts than other women. The association was more pronounced in women who had undergone controlled ovarian stimulation (COS), the hormone treatment required for in vitro fertilization. While this may indicate a potential adverse effect of COS on breast density, the researchers point out that the effect may be due to the underlying infertility that motivates the use of a specific treatment, rather than to the treatment itself.
Frida Lundberg, lead author of the study, said: “The results from our study indicate that infertile women, especially those who undergo COS, might represent a group with an increased breast cancer risk. While we believe it is important to continue monitoring these women, the observed difference in breast tissue volume is relatively small and has only been linked to a modest increase in breast cancer risk in previous studies.”
Breast tissue is composed of two types of tissue: dense, fibroglandular and non-dense, fatty tissue. Women with extremely dense breasts have a four to six fold higher risk of developing breast cancer than women with non-dense breasts, previous research has found.
In this study, women with a history of infertility were found to have higher absolute dense volume — that is more dense, fibroglandular breast tissue — than non-infertile women. Among infertile women, those who had undergone learn more COS had higher absolute dense volume than those who had not received any hormone treatment.
Hormone replacement therapy, like COS, increases estrogen and progesterone levels and has been suspected to increase breast cancer risk. This is the first population-based study to investigate the effect of infertility and hormone stimulation on mammographic density which may be a useful marker for the effect of hormonal fertility treatment on breast cancer risk, especially in women below the age at which breast cancer is normally diagnosed (50 years and older).
The researchers selected 43,313 women aged between 40 and 69 years who had mammograms as part of the KARolinska MAmmography project for risk prediction of breast cancer (KARMA) between 2010 and 2013. The women also responded to a questionnaire including questions about age, height, weight, smoking status, alcohol consumption, history of infertility, and family history of breast cancer. Out of 8,963 women who reported fertility problems, 1,576 had undergone COS, 1,429 had had hormonal stimulation without COS and 5,948 had received no fertility treatment.
To assess associations between infertility, hormonal fertility treatments and mammographic density, the researchers first compared mammographic density levels between fertile and infertile women. They then compared infertile women who had never received hormonal fertility treatment to those who had.
As this study relied on self-reported information and it was not possible to capture specific diagnoses from the existing KARMA data, there may be a risk of misclassification of fertility and infertility. For example, women reporting a history of infertility may include some fertile women who had an infertile partner. The study also lacked information on the timing and number of treatment cycles each woman had gone through. Hence it could not be investigated whether higher breast density was limited to women who had recently received treatment. In analyses based on age, the researchers found a stronger association between COS and mammographic density in older women, which may point to a potential long-term effect of COS on the breast tissue.
The researchers caution that due to the cross-sectional design of the study, which assessed history of infertility and breast density at the same time, no causal links between hormonal fertility treatment, infertility and breast density could be established. Whether differences in breast density may affect potential breast cancer risk remains unknown. Given the observed, moderate association between infertility, hormonal treatments and breast density, continued monitoring of women undergoing COS is warranted, according to the researchers.
The above post is reprinted from materials provided by BioMed Central. Note: Materials may be edited for content and length.
I’ve never truly been a big follower of any individual who forces you to believe a particular method about a topic. This is particularly real in the areas of physical fitness, health, weight reduction and so on. That’s why it’s always excellent to take the many things you review on the internet with a grain of salt. However it’s still good to read as much as you could so you can soak up different viewpoints. That’s why you will see a lot of different types of short articles and also opinons on this blog site. I attempt to discuss things that I locate fascinating. It’s up to you as an individual, nevertheless to really determine if you can think it or not. Take the post here, as an example. Some will certainly concur and some will disagree. Some will enjoy, others concerned or dissatisfied. Yet you need to ensure you’re looking into past the headline, or solitary book on this web site or that website. What are your ideas on what I’ve shared listed below? Let me recognize if the comments.
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