Bleeding After Sex: What It Usually Means

Bleeding after sex — postcoital bleeding — is common, affecting somewhere between 1 and 9 in every 100 menstruating women, and closer to 8 in 100 around the perimenopause. Most of the time the cause is benign and treatable. But it is also a symptom that must never be dismissed over the phone, because the one serious cause it can point to is found by looking at the cervix, and by nothing else.

This article sets out what the real risk is at your age, what usually causes it, what a proper assessment involves, and the specific mistake to avoid.

What is the actual risk of cervical cancer?

This is the question everybody has and few articles answer with numbers. Among women presenting with bleeding after sex, the probability that it represents cervical cancer works out roughly as follows:

Among women referred onwards to a specialist clinic for this symptom, about 2% turn out to have cervical cancer. And looked at from the other direction, around 11% of cervical cancers first present with bleeding after sex — which is exactly why the symptom is taken seriously even though most cases are not cancer.

Two things follow from these numbers, and they are both true at once. Your individual odds are strongly reassuring. And the symptom is one of the small number of ways a cervical cancer announces itself early, so it earns an examination rather than a wait.

What usually causes it?

In the great majority of women, one of the following:

• Cervical ectropion. The softer glandular tissue from inside the cervical canal sits on the outer surface, where it is fragile and bleeds on contact. It is a normal variant, common in younger women, in pregnancy, and on hormonal contraception. It is not a disease and does not turn into one.
• Cervical polyp. A small benign growth on the cervix that bleeds when touched. Usually easy to see and often removable in a single simple procedure.
• Cervicitis and infection. Inflammation of the cervix, frequently from chlamydia or gonorrhoea, sometimes from other organisms. This one matters because it is transmissible, it is treatable, and untreated it can affect the tubes and fertility.
• Vaginal infection. A florid vaginal infection can inflame tissue enough to bleed with friction.
• Vaginal dryness and atrophy. Thin, less elastic tissue after the menopause, or while breastfeeding, tears microscopically and bleeds. Very common and very treatable.
• Trauma. Friction with insufficient lubrication, which sounds trivial and is a genuinely frequent cause.
• Cervical or, rarely, vaginal cancer. Uncommon, but the reason the examination happens.

The mistake to avoid

The commonest wrong turn with this symptom is to have a Pap smear and treat a normal result as the answer.

Cervical screening is designed to find pre-cancerous change in women with no symptoms. It is not designed to investigate a symptom, and a normal smear does not exclude a cancer that is visible on the cervix. There is no evidence supporting extra cytology outside the screening schedule purely because of postcoital bleeding. The test that matters here is a doctor looking at the cervix with a speculum.

If you have been told your smear was normal and therefore the bleeding is nothing, and nobody has examined you, that is an incomplete assessment.

What does the assessment involve?

Consultation, swabs, blood tests and Pap smear are done at the clinic. Colposcopy is a hospital procedure and is arranged by referral, as are any scans.

What happens if it is an ectropion?

Often nothing needs to be done at all. An ectropion is normal tissue in a slightly exposed position, and if the bleeding is occasional and not troubling you, leaving it alone is a perfectly reasonable plan.

If it is bothersome, changing hormonal contraception is sometimes enough, since combined hormonal methods can encourage it. Where it persists and is genuinely a nuisance, the surface can be treated in a short outpatient procedure. What it does not need is anxiety: an ectropion is not a pre-cancerous condition and does not become one.

When should you be seen sooner?

None of these mean something is wrong. They mean the appointment should be within days rather than whenever is convenient.

What if I am pregnant?

Bleeding after sex in pregnancy is common and usually harmless, because the cervix is more vascular and an ectropion is more likely. It is still worth reporting rather than assuming, particularly after the first trimester, when the position of the placenta becomes relevant. If you are bleeding in pregnancy, contact your obstetric team the same day rather than waiting for the next appointment.

What if the examination is normal but I keep bleeding?

This happens, and it is not a dead end. A normal-looking cervix with persistent postcoital bleeding is itself a reason for referral to colposcopy, because magnification and staining show change that the naked eye does not. Where colposcopy is also normal, attention moves to the vagina and to the uterine cavity: a polyp sitting just inside the cervical canal, a fibroid distorting the cavity, or hormonal causes of contact bleeding.

The useful thing to ask at that point is what the plan is if the bleeding continues, and at what stage it stops being investigated. In a woman who has had a normal examination, a normal colposcopy and negative swabs, unexplained postcoital bleeding that settles over a few months is a common and benign story. What should not happen is repeated appointments where nobody looks and nobody has a plan.

Why this gets missed in India

Two patterns cause most of the delay. The first is that the symptom is embarrassing enough that women describe it obliquely, or mention it as they are leaving, and it gets recorded as irregular bleeding rather than as bleeding after sex — which changes what gets examined. The second is that cervical screening coverage remains low, so a great many women reach this symptom having never had a smear, which is precisely the group in whom the examination matters most.

Cervical cancer remains one of the commonest cancers in Indian women, and it is also one of the most preventable. That combination is the reason to say the plain thing: describe the symptom in the words you would use to a friend, and ask to be examined.

The prevention that actually works

Since the one cause worth preventing is cervical cancer, and it is very largely preventable:

• HPV vaccination prevents the infections that cause the great majority of cervical cancers. Our page on HPV vaccination and cervical cancer covers who benefits and when.
• Screening on schedule, which finds change years before it could become a cancer.
• Testing for and treating infection, particularly chlamydia, which protects the tubes as well as settling the bleeding.

Getting this looked at in Gurugram

This is a symptom where the examination is the appointment. It takes a few minutes, it is not painful, and in most women it produces an explanation on the spot. If you have been putting it off out of embarrassment, or because a normal smear was offered as reassurance, that is exactly the situation this consultation exists for.

Where to see us

Dr. Anam's Women Health Clinic, Sector 51 (Mayfield Garden) and Sector 56, Gurugram. Open seven days a week, including Sundays.

The bottom line

Bleeding after sex is common, and in a woman under 35 the chance it represents a cancer is very small. Nearly all of it is ectropion, a polyp, infection or dryness, and all of those are treatable.

But the reassurance has to come from someone looking at your cervix, not from a normal smear and not from an article. Book the examination, get the explanation, and stop carrying the question around.