A membrane sweep is a common procedure performed during late pregnancy to help encourage the onset of labor. It involves a healthcare provider inserting a gloved finger into the cervix and gently sweeping it around to separate the amniotic sac from the uterine wall. This action aims to stimulate the release of natural hormones called prostaglandins, which can help prepare the cervix for labor. After undergoing a membrane sweep, it is normal and expected to experience some bleeding.
What to Expect Regarding Bleeding
Following a membrane sweep, it is common to experience light bleeding or spotting. This typically appears as light pink, brown, or red. It is usually much lighter than a menstrual period and may be mixed with mucus, sometimes called a “bloody show.”
The duration of this bleeding generally ranges from a few hours up to a day or two after the procedure. It could persist for up to 48 hours. This bleeding is a normal response to cervical stimulation and does not usually indicate a problem.
The amount of blood should be minimal, often appearing as spotting on underwear or when wiping. It should not be heavy enough to soak through a sanitary pad quickly. This is a common side effect, as the procedure involves manipulation of the cervix.
When Bleeding is Concerning
While some bleeding is expected, certain signs indicate it is not normal and requires immediate medical attention. If bleeding becomes heavy, such as soaking through one or more sanitary pads within an hour, contact a healthcare provider without delay. This level of bleeding is outside the typical range.
Bleeding that is bright red with clots also warrants concern and should be reported to a medical professional. Normal post-sweep bleeding is usually lighter in color and consistency. Persistent bleeding for more than a couple of days, even if light, should also prompt a call to your healthcare provider for evaluation.
Any sudden gush of fluid, especially with bright red blood, could indicate the amniotic sac has ruptured, a rare but possible outcome. Always contact your healthcare provider if you have doubts or concerns about the amount, color, or duration of bleeding after a membrane sweep.
Other Post-Procedure Sensations
Beyond bleeding, individuals may experience other normal sensations after a membrane sweep. Mild cramping is common, often described as similar to menstrual period aches. These cramps can vary in intensity and may come and go.
These sensations, including period-like aches or contractions, often indicate the procedure has stimulated the uterus and cervix. While common, they do not guarantee labor will begin immediately. They are signs the body is reacting to the sweep and potentially preparing for labor.
Some individuals might also notice a discharge of mucus, sometimes with a brownish or reddish tint, known as a “bloody show.” This is different from light bleeding and represents the dislodging of the mucus plug, another sign the cervix is undergoing changes. These sensations are part of the body’s response to the membrane sweep.