According to the study women who consume low level alcohol during the pregnancy even in small amounts have a 19 % greater risk of miscarriage than women who do not use alcohol. The study also finding that for alcohol exposure of less than five drinks per week; each additional drink per week during pregnancy was associating with a 6% increase in miscarriage risk.
Since alcohol is one of the most common exposuring in the early pregnancy; it is critical to understand how consumption relates to miscarriage. Adverse pregnancy outcomes, like fetal alcohol syndrome, are often associating in popular culture with heavy consumption. However, our meta-analysis indicating even a modest amount of alcohol use has a meaningful impact on miscarriage risk.
It is thought that alcohol use increasing miscarriage risk; by increasing oxidative stress for the fetus, causing cellular damage. But the study finding that there are more than the half of women use alcohol in the early stages of pregnancy prior to having a positive pregnancy test; regardless of whether the pregnancy was planning.
Low level alcohol use
But the study work involving a systematic review and meta-analysis of studies publishing between 1970 and 2019 about alcohol exposure and miscarriage. Twenty-four studies met the criteria for inclusion in the review; representing data from more than 231,000 pregnant women. The meta-analysis, which is the first pooled measure of alcohol use and miscarriage; demonstrates exposure in pregnancy is associated with a dose-dependent increase in miscarriage risk.
The systematic review also revealed important gaps in the existing literature; including a lack of knowledge about how the timing of alcohol exposure is linking to risk. Timing of alcohol exposure in pregnancy is undoubtedly meaningful but isn’t well studied. The groundwork for fetal development is laid in those first weeks of gestation before pregnancy can be detecting with a home test; and that is also the time when alcohol exposure is most prevalent.
Impact of consumption
As it is a key that study can understand the impact of consumption in those first weeks. further investigation will help shed light on risk factors for miscarriage; which is experiencing by one in three women. Despite being common, many women never receive answers about why their miscarriage occurred. Most women are motivating to do anything they can for the health of their pregnancy.
This review provides evidence that alcohol consumption during pregnancy is associating with a dose‐mediated increase in miscarriage risk. Future studies evaluating change in alcohol use in pregnancy; are needing to provide insight into how alcohol consumption prior to pregnancy recognition impacts risk.