You just learned you are pregnant. You still smoke. You are probably reading this article with a knot in your stomach, a mix of panic, shame and 'I should have quit before'. Take a breath.

First: you have nothing to atone for. What you can do, from now on, is what will matter. And every day gained really counts.

You are not alone, and you are not a bad parent

According to a Santé Publique France study published in September 2024, 13% of women kept smoking during pregnancy in France (mothers of children born around 2021). That figure is dropping but remains one of the highest in Europe. The picture is similar across many European countries.

Smoking during pregnancy mostly affects young women, those with a smoking partner, those in fragile socio-economic situations, or those with an existing depressive background. It is an epidemiological fact, not an accusation. The cigarette is a dependence, not a moral choice.

What tobacco does to your baby (the facts, no drama)

Understanding what is happening helps you decide — not get scared. Here are the main known risks, no panic ranking.

Quit when? Now. But without panic.

Ideally, quit before conception (also for fertility: smoking doubles the time to conceive). If pregnancy comes with the cigarette: the earlier, the better. But quitting at any point brings a benefit — including at month 6, including at month 8.

1. 1st trimester quitting protects organ formation. The benefit is maximal.
2. 2nd trimester growth accelerates. Quitting here improves birth weight and development.
3. 3rd trimester even late, quitting reduces the risk of prematurity and birth complications.
4. After birth protects your baby from sudden infant death and asthma.

How to do it, concretely

1. 1

   Talk about it with your doctor, midwife or gynaecologist. No fear of judgement. Their job is to help, not to judge. Many have tobaccology training.

2. 2

   Ask for a tobaccology consultation. In most European countries, dedicated cessation support is available, often free in hospitals or maternal-and-child-health centres. Guidelines recommend support from the first prenatal consultation.

3. 3

   Pick a near quit date. Not in 3 months, not 'after the holidays'. Within the next 7 days.

4. 4

   Do not do it alone. Aria, a national helpline, your partner, a friend, an online group. Loneliness is enemy number one.

5. 5

   If quitting alone does not hold: nicotine substitutes. On prescription, reimbursed in many countries. The 16-hour patch is generally preferred over 24-hour during pregnancy.

Nicotine substitutes: yes, under medical supervision

This is probably the most misunderstood topic. Here is what French and international health authorities say:

Vaping during pregnancy: not advised for now

Current scientific data does not allow a safety assessment of vaping for the baby. The WHO and most European obstetric societies advise against using e-cigarettes during pregnancy.

If you already vape and find out you are pregnant: talk to your doctor. Continuing to vape rather than going back to cigarettes can be a lesser evil — but transitioning to medical nicotine substitutes is preferable.

If you cannot quit completely

You do not have to be perfect. Cutting down is better than nothing.

• Going from 15 to 5 cigarettes a day is real progress for the baby.

• Never inhale more deeply to compensate (the 'titration' effect).

• Set a goal: 'I have cut by 1 cigarette a week'.

• Above all: do not give up the goal of quitting fully. A reduction that stabilises is rarely neutral — it often creeps back up. Keep total cessation as the heading.

The role of the partner

If your partner smokes, your quit will be 2 to 3 times harder. Not by whim — by permanent trigger.

After delivery: do not relapse

Many women who quit during pregnancy relapse within 6 months after birth. Why? Sleep deprivation, baby blues, stress, return to old routines. Anticipate.

• Keep your nicotine substitutes within reach.

• Continue seeing a tobaccologist after the birth.

• If you breastfeed: see the dedicated article on breastfeeding and tobacco, substitutes remain compatible.

• And above all: if you relapse, do not punish yourself. Pick up the thread again. One cigarette is not back to square one.

Your questions