This is the question my clients write to me most often — and the one popular culture handles worst. Between friends who say ‘it stings but it passes’, magazines that describe ‘a brief unpleasant moment’, forums that talk about ‘tearing’ and the cliché of the ‘bloody wedding night’, the result is predictable: you approach your first time expecting pain. And expecting pain creates the conditions for pain.
I will try to replace that mixture with something more useful: what actually happens in your body, why it can hurt in some cases and not in others, and what you can really do before, during and afterwards.
Pain is not a physiological inevitability
The idea that first penetration ‘must’ hurt comes from an old cultural image of the hymen as a membrane to be ‘pierced’. Anatomically, that is wrong. The hymen is not a membrane sealing the vaginal entrance like an eardrum. It is a fold of mucosal tissue, often ring-shaped, usually flexible, which naturally widens over time. First penetration can happen without any sensation of tearing and without bleeding. When pain occurs, it almost never comes from the hymen. It comes from elsewhere.
Where pain really comes from when it occurs
1. A lack of lubrication
The vagina needs lubrication so that penetration does not create dry friction. Natural lubrication depends on arousal — and arousal does not happen in two minutes. The solution: take time, much more time than you think. And add a water-based lubricant if needed. This is not a failure. Many women with fulfilling sex lives routinely use lubricant.
2. Involuntary muscle contraction
When you are anxious, your pelvic floor contracts automatically. Attempting penetration with a contracted pelvic floor is mechanically painful — like trying to push a key into a locked keyhole. The trap is that fear itself creates the conditions for pain. The solution: ease the fear beforehand, not during. Learn to breathe and consciously release your pelvic floor — imagine it as a hammock letting itself settle towards the ground.
3. Position
Some positions are more difficult than others. Missionary (you lying down, your partner above) is not always the easiest. Many of my clients tell me afterwards that they would have preferred to be on top, or spooning. The solution: do not follow the unspoken script. A good position for first penetration is one in which you are in control.
4. An unprepared partner
If your partner arrives without knowing what they are doing, they may move too quickly, be poorly positioned or think penetration begins with ‘pushing’ when it begins with ‘being allowed in’. The solution: talk beforehand. Say that you want to go slowly and that they should stop at the slightest sign of discomfort. A ready partner welcomes this conversation. An impatient partner avoids it.
5. A medical condition
For a minority of women — around 5 to 10% — persistent pain is linked to a medical condition: primary vaginismus, endometriosis or vulvodynia. It is not your fault, and it can be treated. If you have tried several times with an attentive partner and penetration remains painful, do not resign yourself to it. Speak to a sex therapist or a gynaecologist trained in these subjects.
A new sensation is not the same as pain
Your body is discovering something it has never experienced. A stretching sensation, an unfamiliar fullness, an unusual warmth — your brain may interpret this novelty as ‘strange’, and ‘strange’ can slide towards ‘painful’ when it is simply a new sensation. Learn to distinguish the two. You can become familiar with novelty. Pain is a reason to stop.
What if it still hurts?
You stop. Straight away. No ‘keep going until it is over’, no ‘grit your teeth’, no pretending so as not to disappoint your partner. Breathe. Change position. Add lubricant. First penetration that is not working is not a failure — it is information.
The trap is persisting with sex that should be stopped. The body then registers sex = pain. This conditioning can take months or years to undo. An unfinished first time that you return to later is better than a forced first time that becomes a bad memory.
What you can do beforehand
A few weeks before a planned first time, take time to explore your body with your fingers. Not as a medical exercise, but as self-knowledge. A young woman who knows her body before first penetration approaches sex in very different circumstances from one who does not. If penetration with a finger is uncomfortable, begin with something smaller. Move at your pace.
The emotional side — do not overlook it
Physical pain is not the only possible pain of a first time. There can also be emotional pain — regret, disappointment or a feeling of having given in. That pain is not physiological. It signals that consent was not complete. If you leave a first sexual experience crying when technically ‘everything went well’, that is not weakness. It is your body saying that the meaning was missing.
The right setting is worth all the advice
If I were to sum it up: pain the first time is rarely an anatomical problem. It is almost always a problem of conditions. The right conditions: relaxed, lubricated, feeling safe, with a partner who knows how to stop, in a position where you are in control, with time available and no pressure for a result. Above all, you arrive ready — in the sense that your body, mind and choice are aligned.
My book VIRGINITÉ — Spécial Filles (French edition) addresses these questions in detail — including for young women who have already had a painful first time and want to try again. 140 questions, 140 answers, by a sex therapist. Publication was announced for 1 September 2026.