---
title: "Protecting Your Bump: Essential Sun, Heat, and Water Safety Tips"
date: 2026-07-10T10:31:00-04:00
author: Jairah Said
canonical_url: "https://www.americordblood.com/articles/protecting-your-bump-essential-sun-heat-and-water-safety-tips"
section: Articles
---
![6a49bfa1f6643716137ba692 1783219611642](https://assets.americordblood.com/transforms/blogs/6169876/6a49bfa1f6643716137ba692-1783219611642_dcd4b851eab0fdc82c7554dc6e8ca81c.jpg)    [  Pregnancy &amp; Parenting  ](https://www.americordblood.com/articles/pregnancy-parenting) 

 12 Min Read 

 

# Protecting Your Bump: Essential Sun, Heat, and Water Safety Tips

**If you're pregnant and heading out in summer, the main job is simple: avoid too much sun, keep your body cool, and stay careful around water.** In the second and third trimesters, heat stress can hit faster, dehydration can trigger Braxton Hicks, and balance changes can make slips and falls more likely.

Here’s the short version:

- Use **broad-spectrum SPF 30+ mineral sunscreen**
- Try to be outside **before 10:00 a.m.** or **after 4:00 p.m.**
- Drink **64 to 96 ounces** of water a day, and more on hot days
- Watch for **dizziness, headache, nausea, cramps, dark urine, and contractions**
- Skip **hot tubs, saunas, and water near 104°F**
- Pick safer swim spots, check water alerts, and **never swim alone**
- Pack shade, fluids, cooling items, snacks, and your medical info

A few numbers matter here. The article notes that **SPF 30+** is the baseline, sunscreen should be reapplied every **2 hours**, and **heat stroke can start at 103°F or higher**, which means **911** right away. It also points out that poor air quality matters too, with extra caution when **AQI goes above 100**.

What I like about this guide is that it keeps the advice practical. It covers the three big risk areas - **sun, heat, and water** - then ends with a packing list and a birth-plan reminder.

**Quick comparison**

AreaMain riskWhat to do firstWhen to stop and get help**Sun**Burn, skin darkening, fluid lossUse mineral **SPF 30+**, wear a hat, seek shadeIf skin feels hot, painful, or you feel faint**Heat**Dehydration, heat exhaustion, heat stroke, contractionsSip water often, take cooling breaks, check heat indexCall **911** for confusion, fainting, hot dry skin, or temp **103°F+****Water**Slips, fatigue, currents, bacteriaCheck advisories, use handrails, keep swims shortGet out at once if you feel weak, dizzy, or unwellIf I had to sum up the whole article in one line, it would be this: **plan the outing before you leave, not after your body starts struggling.**

## Sun safety checklist: Protect your skin, prevent overheating, and avoid peak UV hours

Pregnancy hormones can make your skin more sensitive to UV light. So you can burn faster than usual. And a sunburn can lead to more fluid loss, which can make overheating worse. Start with sunscreen, then make a plan that helps you stay out of harsh sun when you can.

### Choose broad-spectrum SPF 30+ mineral sunscreen and apply it correctly

Look for a **broad-spectrum** label. That means the sunscreen protects against both UVA and UVB rays. The CDC recommends SPF 30 or higher. During pregnancy, mineral sunscreens are often the better pick than chemical formulas. Look for zinc oxide or titanium dioxide, and skip products with retinol.

Mineral sunscreen sits on top of the skin and forms a barrier, which can be easier on sensitive skin. Use **1 ounce**, or about a shot-glass full, on exposed skin at least **15 minutes** before you go outside. Cover the spots people often miss, like your neck, ears, and the tops of your feet. Reapply every **2 hours**, or sooner if you’ve been swimming or sweating.

### Wear breathable layers, find shade, and plan around peak sun hours

Sunscreen helps, but it shouldn’t do all the work. Your timing, clothes, and access to shade matter too.

UV exposure is strongest between **10:00 a.m. and 4:00 p.m.** If you can, plan walks or outdoor time before **10:00 a.m.** or after **4:00 p.m.** That simple shift can cut down on both UV exposure and overheating risk. Before you head out, check the local UV index.

For clothing, go with loose, **light-colored fabrics** such as cotton or linen. They help your body breathe. UPF-rated shirts or rash guards add more protection. A wide-brimmed hat that covers your face, ears, and neck, plus UV-blocking sunglasses, can make a big difference. It also helps to bring a portable umbrella or choose a route with shaded areas, so you’re not standing in direct sun longer than you planned.

### Watch for melasma and other skin changes during pregnancy

Pregnancy skin changes need extra care too. Melasma can get darker with sun exposure, so wear facial sunscreen every day, even when it’s cloudy. Daily face sunscreen can help keep melasma from getting darker. If your skin starts to feel hot or irritated, move into shade or go indoors right away.

## Heat safety checklist: Prevent dehydration, cool down early, and know when to stop

Sunscreen helps, but it doesn't stop your body from overheating. In late pregnancy, heat can build fast and feel a lot harder to handle. That's why it makes sense to act early instead of waiting until you feel awful.

### Hydrate steadily and build cooling breaks into every outing

The American College of Obstetricians and Gynecologists (ACOG) recommends **8 to 12 eight-ounce servings of water per day** during pregnancy. That comes out to **64 to 96 ounces** a day. And on hot or humid days, or anytime you're more active, you'll likely need more.

Don't wait until you're thirsty. Thirst tends to show up late. Sip water through the day instead. A refillable water bottle makes this easier, and it's smart to bring a low-sugar electrolyte drink too, like coconut water or a low-sugar sports drink, to replace sodium and potassium lost through sweat.

Your urine can also tell you a lot. If it's dark, or you're not peeing much, your body needs fluids now.

To cool down, use wet towels or cooling cloths on your head, neck, underarms, or groin. Take breaks in the shade or somewhere with air conditioning when you can. Fans can help, but only when indoor air stays below about **90°F to 95°F**.

### Check the heat index, air quality, and your activity level before going out

Before heading out on a warm day, take a minute to check conditions. The CDC HeatRisk Dashboard and the Heat &amp; Health Tracker app can show local heat risk levels and air quality (AQI). If the HeatRisk level is orange or higher, or the AQI is above 100, cut back your time outdoors. Bad air can make outdoor time tougher on both you and baby.

If you have errands to run, try going early in the morning or after **4:00 p.m.** Plan cooling stops at air-conditioned places like a grocery store or library. No air conditioning at home? Dial **2-1-1** to find a local cooling center. And if heat risk is high, keep the trip short or stay indoors.

### Recognize warning signs: dizziness, nausea, cramps, and contractions

If symptoms start, stop sooner rather than later. Here's what to look for and what to do:

- **Heat exhaustion** (headache, dizziness, heavy sweating, muscle cramps): Move to a cool area and sip water. Call your provider if symptoms don't improve within **30 to 60 minutes**.
- **Dehydration** (dark urine, extreme thirst, rapid heart rate): Rest in a cool place and drink water or electrolytes. Call if you haven't urinated in over **24 hours**.
- **Contractions or cramping** (frequent cramps or Braxton Hicks): Stop activity, hydrate, and lie on your left side. Call if contractions become regular, painful, or don't stop with rest and fluids.
- **Heat stroke** (**103°F** or higher, confusion, hot dry skin, fainting): Call **911** immediately - this is life-threatening for both parent and baby.

Skip hot tubs, saunas, and water around **104°F**. They can push your core temperature too high. And if you take antihistamines or antihypertensive medication, check with your provider, since some of these drugs can make it harder for your body to deal with heat.

## Water safety checklist: Safer swimming, beach trips, and boating in later pregnancy

Water often feels GREAT in later pregnancy. It takes pressure off your body and helps you cool down. Still, it’s not risk-free.

As pregnancy moves along, your balance shifts, your stamina may dip, and open water can wear you out faster than you expect. After sun and heat, the next thing to watch is the water itself: slippery footing, currents, and plain old fatigue. Swimming is low-impact and can be a good way to move, but pools, beaches, lakes, and boats all call for extra care.

### Pick safer water conditions and check local advisories before you go

A pool can be one of the easier places to swim when you’re pregnant. Before you head into a lake, river, or ocean, check local water advisories for bacteria outbreaks, harmful algal blooms, or other water-quality alerts.

Skip any spot with posted warnings or visible algae, and try not to swallow the water. If you’re going into open water, look up currents, tides, and surf conditions before you get in.

Once you know the water is safe, the next step is simple: be careful about how you enter, swim, and get out.

### Enter, swim, and exit carefully as balance and stamina change

Balance often changes in the second and third trimesters, so slick surfaces can become a bigger issue than they used to be. Use pool steps, ladders, and handrails when they’re there. Don’t dive or jump into the water.

Non-slip water shoes can help on pool decks, lake shores, and wet rocks. Keep your pace easy, and keep swims short.

Drink water before and after swimming. Being in the water can mask thirst, which makes it easy to miss early signs of dehydration. If you feel unwell at any point, get out right away.

### Stay safe at the beach and on boats

Open water brings more to deal with than a pool: currents, waves, glare, and motion. In later pregnancy, swelling, balance changes, and lower energy can slow you down, so it helps to plan shorter outings and build in more rest.

At the beach, set up in the shade if you can. Wear water shoes for walking, and put your feet up while resting to help with swelling. Ocean swimming needs extra care because waves and rip currents can drain your energy fast. Stay near a lifeguard, and never swim alone.

Boats have their own issues. Sun bouncing off the water, heat sitting on the deck, and not much shade can warm you up in a hurry. Bring extra water and snacks, check the weather and heat index before leaving, and pick a shaded seat when possible.

EnvironmentMain RisksBefore You GoKey Precautions**Pool**Slippery tiles, chemical irritation, overheating in sunWater temperature, maintenance/chlorine levelsHandrails, non-slip shoes, SPF 30+**Ocean**Waves, rip currents, quick exhaustionTide charts, surf advisoriesStay near a lifeguard, never swim alone**Lake/River**Slimy rocks, bacteria, cold shockLocal water advisories, bacteria reportsWater shoes, avoid swallowing water**Boating**Motion sickness, heat trapped on deck, limited shadeWeather, heat index, travel timingShaded seating, extra water, snacks## Packing and planning checklist: What to bring for a hot day out and what to prepare for birth

### Pack the basics for sun, heat, and water safety

Use this checklist to pack for sun, heat, and water all at once. When the day is hot, a solid bag setup can save you a lot of hassle.

Bring a large refillable water bottle, plus extra fluids for hot weather. Toss in water-rich snacks like watermelon slices or cucumber rounds. For sun protection, pack **broad-spectrum SPF 30+ mineral sunscreen**, a wide-brimmed hat, and UV-protective sunglasses.

A cooling towel and a small cooler with ice packs can help more than you'd think. If you start to feel overheated, put the towel on your neck or wrists to cool off fast.

Wear loose, breathable fabrics like cotton or linen. Supportive low-heeled sandals can help if swelling kicks in. And keep your phone, medications, insurance card, and provider contact info with you. One small but smart step: take off rings before you leave, since hands can swell in the heat.

### Add beach or boating items before leaving home

For beach days or other water outings, wear a **rash guard or UPF swim shirt** for extra UV coverage. Bring a portable umbrella or canopy if shade may be hard to find. Sealable bags and dry clothes are also worth packing, since trapped moisture can irritate skin.

Boating calls for one more item: a **U.S. Coast Guard-approved life jacket**.

### Add [Americord Registry](https://americordblood.com/) to your third-trimester birth plan checklist

That same pack-ahead mindset can help with your hospital bag too. Many families use the second and third trimesters to get this part of the birth plan in order.

Americord Registry offers [cord blood, cord tissue, placental tissue, and exosome preservation](https://www.americordblood.com/articles/should-i-bank-cord-blood-tissue-and-placenta-tissue) using **CryoMaxx™** technology. The lab is **AABB accredited**, and the plans start with cord blood only and go up to options that include all four tissue types.

Americord Registry PlanIncluded Tissue Types**Essential Family Plan**Cord blood**Advanced Family Plan**Cord blood, cord tissue**Complete Family Plan**Cord blood, cord tissue, placental tissue**Ultimate Family Plan**Cord blood, cord tissue, placental tissue, newborn exosomes**Maximum Family Plan**Cord blood, cord tissue, placental tissue, newborn &amp; maternal exosomesAdd the Americord Registry kit to your hospital bag checklist before delivery day.

## FAQs

### Can heat trigger contractions during pregnancy?

Yes. Heat can trigger contractions during pregnancy because **overheating** and **dehydration** can make the uterus more irritable and lead to contractions.

A core temperature of **102.2°F** for more than **10 minutes** may cause cramping or contractions. And while dehydration-related contractions are not the same as true preterm labor, they still need prompt attention. Seek medical care right away if you have contractions, dizziness, extreme thirst, or a headache.

### How can I tell if I’m dehydrated or overheated?

Watch for warning signs such as thirst, dry mouth, headache, fatigue, dizziness, lightheadedness, or dark-colored urine. If the body gets too hot, you may also notice heavy sweating, muscle cramps, weakness, nausea, vomiting, or a rapid heart rate.

Get medical help right away for **confusion**, **fainting**, hot red skin, or a temperature of **103°F or higher**. If you're pregnant, call your doctor if you have frequent uterine cramping or dizziness.

### Is swimming in lakes, oceans, or pools safe while pregnant?

Yes. Swimming is usually a safe, low-impact way to exercise during pregnancy, and it can help you stay cool too.

That said, where you swim matters. Before getting into a lake, river, or ocean, check local water quality reports and stay out of any water with contamination warnings. Skip hot tubs and warm springs because they can overheat your body. And if the water is VERY cold, be careful there too.

*The views, statements, and pricing expressed are deemed reliable as of the published date. Articles may not reflect current pricing, offerings, or recent innovations.*

 

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