Pregnancy and preparing to breastfeed

In short

Almost everything you can usefully do before the birth is small. Know who to call if feeding hurts. Have one bra you can open one-handed. Understand that your breasts change in waves, so the size you buy in month five will not be the size you need in week two. Nipple toughening is old advice and does no good. This guide covers the preparation that actually pays off.

Pregnant woman in the third trimester folding a small pile of baby clothes on the bed
Week thirty-four. The lists are long, and most of what matters is not on them.

The lists are enormous and mostly wrong. Twelve bottles for a baby who has not been born. A wardrobe of a size nobody can predict. A steriliser, three swaddles and a wipe warmer, and not one word about who you call at two in the morning of day four when your nipples are cracked and your milk has just come in.

Preparing to feed is quieter than that. It is a handful of decisions, most of which cost nothing, and one or two purchases that are worth getting right because you will live in them.

This is the overview of everything before the baby: trying to conceive, your due date and the weeks that follow, eating well while pregnant, what genuinely belongs on the third trimester list, and what changes if you are pregnant again while still feeding an older child.

Planning and trying to conceive

Most of the useful preparation here happens before the test. Folic acid started early. A look at your medication, your vaccinations and any long term condition, with your doctor rather than a forum. And a rough idea of your own cycle, because timing matters more than most people are told and the fertile window is shorter than most people think.

None of it makes it happen faster on a given month, and none of it is your fault when it does not. It simply stacks the odds in the direction you want. Start with our ovulation calculator to find your window.

Your due date and the weeks ahead

A due date is a midpoint, not a deadline, and treating it as an appointment is how the last fortnight becomes unbearable. Very few babies arrive on the date itself. Most turn up in the couple of weeks around it, and a first baby often leans late.

What is genuinely useful is knowing which week you are in, what is happening in it, and what is coming next, so that appointments, leave and the practical preparations land in the right order instead of all in the same panicked fortnight. Work out where you stand with our due date calculator.

Eating well while pregnant

Pregnancy food advice is where national guidance quietly disagrees with itself across borders. What is fine in one country is on the avoid list in the next, which is confusing when your family, your midwife and the internet are in three different places.

The genuine risks are a short list: certain cheeses, undercooked meat and fish, some fish for mercury, unwashed raw vegetables, and alcohol. The rest is noise. Rather than memorise it, check the item in front of you against the guidance for your own country with our food safety checker.

Getting ready in the third trimester

This is where the feeding preparation actually happens, and where most of the money gets wasted. Your breasts will change again after the birth, so anything bought to a final size in month five is a gamble. Buy one thing that fits now and opens one-handed, and leave the rest until your milk is in.

What does belong on the list: the number of a lactation consultant, a chair or corner where you can sit supported, something absorbent, and the knowledge that leaking colostrum in these weeks is normal and leaking none of it is normal too. That whole question sits in leaking and staying dry.

Pregnant again while still feeding

It surprises people twice: that you can get pregnant while breastfeeding, and that you can usually carry on feeding when you are. For most healthy pregnancies, both are true.

What changes is the experience. Nipples often turn very sore, and milk usually drops in the middle months as your body switches back towards colostrum, which is why many toddlers wean themselves around then. Some carry on, and feed alongside the newborn afterwards. Talk to your midwife or doctor first if you have a history of preterm birth, bleeding or contractions. What tandem feeding really looks like: transitions and special situations.

Handy tools

When to get it checked

Comfort advice never replaces a look from someone who can examine you. Contact your GP, midwife or a lactation consultant if you notice any of the following:

  • a fever or a fluey, run-down feeling alongside a breast complaint;
  • a red, warm, painful breast;
  • symptoms that get worse quickly;
  • a hard spot or lump that does not ease after a feed or after a few days;
  • cracked, bleeding or infected nipples that will not heal;
  • unusual nipple discharge: one-sided, bloody, or with a strange colour or smell.

With a fever or a red, painful breast, your GP or midwife comes first. For feeding support, a lactation consultant (IBCLC) or your health visitor can help.

Common questions

  • Do I need to prepare my nipples during pregnancy?
    No. Rubbing, brushing or toughening your nipples is old advice and it does not prevent soreness. Skin does not need training. What actually prevents most nipple pain is a deep latch after the birth, and knowing who to call if feeding hurts. If your nipples are flat or inverted, mention it at an antenatal appointment rather than working on them yourself.
  • How accurate is a due date?
    Reasonably, as a midpoint rather than a deadline. A dating scan in the first trimester is more accurate than counting from your last period, particularly if your cycle is irregular. Only a small share of babies arrive on the date itself, and most turn up in the two weeks around it. Plan your last weeks with that spread in mind.
  • What do I really need ready before the birth for feeding?
    Less than the lists suggest. A comfortable bra you can open with one hand, something absorbent for the milk, a chair or corner where you can sit supported, and the phone number of a lactation consultant. Almost everything else can be ordered in the first week, once you know what you actually need.
  • Can I keep breastfeeding if I get pregnant again?
    Usually yes. In most healthy pregnancies, feeding an older child can continue. Sore nipples and a drop in milk are common in the middle months, and many toddlers wean themselves because of it. Talk it through with your midwife or doctor if you have a history of preterm birth, bleeding or contractions.
  • When do my breasts start changing in pregnancy?
    Often early, sometimes before anything else gives the pregnancy away. Tenderness, heaviness, visible veins and darker areolas usually turn up in the first trimester. The growth comes in waves rather than steadily, which is exactly why buying your final feeding size in month five rarely works out well.

Alejandra & Jurgen
We write from recognised guidelines and from what mothers tell us themselves. The sources we rely on are listed below.

Sources