Idioms are special phrases where the words together have a different meaning than what they say one by one. People use them to make talking and writing more colorful and exciting when describing expecting a baby, family growth, and pregnancy. In this lesson, you will learn fifty unique idioms related to pregnancy.
In this lesson, we’ll look at idioms that mean expecting a child, new family additions, and growing families. Let’s get started and explore some of these helpful expressions.
Idioms for Pregnancy
1. Expecting a bundle of joy
Definition: Waiting for the birth of a new baby in the family.
Used in a Sentence: My aunt and uncle are so excited because they are expecting a bundle of joy this fall. / The nursery was painted yellow in preparation for their upcoming bundle of joy.
Similar Expressions: Expecting a baby / Looking forward to parenthood
2. In the family way
Definition: An older traditional phrase used to describe a woman who is pregnant.
Used in a Sentence: Grandma smiled when she heard her neighbor was in the family way. / In classic storybooks, characters are often described as being in the family way.
Similar Expressions: With child / Expecting a baby
3. Eat for two
Definition: Eating larger portions of food because you are nourishing a developing baby.
Used in a Sentence: Mom joked that she had a good excuse to finish the extra pie because she was eating for two. / During her pregnancy, she learned that eating for two meant choosing healthy and nutritious meals.
Similar Expressions: Nourishing a baby / Double portions
4. Heavy with child
Definition: In the advanced, later stages of pregnancy when the baby is almost ready to arrive.
Used in a Sentence: She was heavy with child and resting comfortably on the living room sofa. / Walking became a little slower for her once she was heavy with child.
Similar Expressions: Late pregnancy / Nearing full term
5. Bun in the oven
Definition: A casual, playful way to say that a baby is growing inside a mother’s womb.
Used in a Sentence: Our family announced the exciting news that there was another bun in the oven. / They baked a special announcement cake with a sign reading bun in the oven.
Similar Expressions: Expecting a baby / Growing a child
6. Due date
Definition: The estimated calendar day when a baby is expected to be born.
Used in a Sentence: Mom marked her calendar carefully because her official due date was in July. / We kept a countdown clock ticking as her due date approached.
Similar Expressions: Expected arrival / Target day
7. Showing a baby bump
Definition: When a pregnant woman’s stomach begins to visibly round out.
Used in a Sentence: She wore a cute striped dress that proudly showed her growing baby bump. / Family members gathered around to gently touch her showing baby bump.
Similar Expressions: Growing tummy / Visible pregnancy
8. Expecting a little one
Definition: Looking forward to the arrival of a newborn child in the household.
Used in a Sentence: The neighborhood baby shower was thrown to celebrate friends who were expecting a little one. / They shopped for tiny crib sheets and blankets while expecting a little one.
Similar Expressions: Waiting for a baby / Preparing for parenthood
9. Ready to pop
Definition: Very close to giving birth in the final days of pregnancy.
Used in a Sentence: Aunt Sarah walked very slowly at the family picnic because she was ready to pop. / With only two days left until her due date, she was officially ready to pop.
Similar Expressions: Very close to birth / Final days
10. Glowing with motherhood
Definition: Looking healthy, radiant, and happy during pregnancy.
Used in a Sentence: Everyone at the family gathering told her she was glowing with motherhood. / Her cheerful smile during the baby shower showed she was truly glowing with motherhood.
Similar Expressions: Radiant mother / Pregnancy glow
11. Nested and prepared
Definition: Organizing and cleaning the home before the baby arrives.
Used in a Sentence: They spent the weekend assembling the crib and getting nested and prepared for the baby. / Having the nursery fully stocked meant they were nested and ready.
Similar Expressions: Home preparation / Nursery ready
12. Great with child
Definition: A traditional expression indicating an advanced stage of pregnancy.
Used in a Sentence: Historical novels often describe queens and characters as being great with child. / She walked through the garden calmly while great with child.
Similar Expressions: Advanced pregnancy / Expecting soon
13. Carrying a baby
Definition: The direct physical state of nurturing a developing child.
Used in a Sentence: She rested often while carrying her first child through the hot summer months. / Friends brought groceries to help her out while she was carrying a baby.
Similar Expressions: Nurturing a child / Being pregnant
14. Building a nursery
Definition: Setting up a special room in the house for the new arrival.
Used in a Sentence: Dad spent his weekends painting pastel clouds on the walls while building a nursery. / Selecting safe furniture was their top priority while building a nursery.
Similar Expressions: Preparing a room / Setting up baby gear
15. On the way
Definition: A baby who is expected to arrive in the near future.
Used in a Sentence: We bought a cute mobile for the crib because a new cousin was on the way. / Excitement filled the household knowing a new family member was on the way.
Similar Expressions: Approaching arrival / Expected soon
16. Expectant mother
Definition: A woman who is currently pregnant and preparing for childbirth.
Used in a Sentence: The local community center offered yoga classes designed specially for the expectant mother. / Family members pampered the expectant mother during her baby shower.
Similar Expressions: Pregnant woman / Mother-to-be
17. Mother-to-be
Definition: A woman who will soon give birth and start parenting.
Used in a Sentence: Everyone toasted to the health and happiness of the radiant mother-to-be. / She opened dozens of tiny gifts while sitting as the honored mother-to-be.
Similar Expressions: Expectant mother / Future mom
18. Father-to-be
Definition: A man who is eagerly awaiting the birth of his child.
Used in a Sentence: He practiced assembling the stroller carefully as a nervous father-to-be. / Proud smiles filled his face as he talked about his role as a father-to-be.
Similar Expressions: Expectant dad / Future father
19. Bringing home baby
Definition: The milestone event of leaving the hospital with the newborn.
Used in a Sentence: The family decorated the front porch with balloons for bringing home baby. / Taking newborn photos was their first big task after bringing home baby.
Similar Expressions: Returning home / Newborn arrival
20. Baby boom
Definition: A sudden, large increase in the number of babies born in a community or family.
Used in a Sentence: Our neighborhood experienced a baby boom with five new infants arriving that year. / Cousin gatherings grew much larger during the recent family baby boom.
Similar Expressions: Surge of births / Many infants
21. Blessed event
Definition: A formal or joyful term for the birth of a baby.
Used in a Sentence: The church newsletter congratulated the couple on their blessed event. / Everyone in the family sent cards to celebrate the blessed event.
Similar Expressions: Joyful birth / Happy arrival
22. In the family way of waiting
Definition: The patient anticipation of welcoming a new generation into relatives’ homes.
Used in a Sentence: Grandparents spent the spring months in the family way of waiting for their first grandchild. / The whole household shared in the family way of waiting.
Similar Expressions: Patient anticipation / Waiting for baby
23. A new addition
Definition: A newborn baby joining an established family structure.
Used in a Sentence: We rearranged the living room furniture to welcome the new addition. / The family cat curiously sniffed the crib blankets brought home for the new addition.
Similar Expressions: Newborn arrival / Family newcomer
24. Expecting an heir
Definition: A traditional phrase for awaiting the birth of a child who will inherit family titles or property.
Used in a Sentence: In historical stories, royalty celebrated wildly when expecting an heir. / The kingdom rejoiced upon learning the queen was expecting an heir.
Similar Expressions: Awaiting royal birth / Family successor
25. Knocked up
Definition: A very casual, slang expression meaning pregnant.
Used in a Sentence: While some people use informal slang like knocked up, polite conversation prefers expecting. / Modern television shows often use casual terms when characters learn they are pregnant.
Similar Expressions: Slang for pregnant / Expecting informally
26. Prego
Definition: A lighthearted slang term or abbreviation for pregnancy.
Used in a Sentence: My sister joked using the word prego when talking about her favorite pasta sauce and her current craving. / Friends used the cheerful abbreviation prego during text message announcements.
Similar Expressions: Slang term / Informal pregnant
27. Growing family
Definition: A household that is expanding to include children.
Used in a Sentence: They bought a larger minivan to accommodate their growing family. / Family portrait sessions were scheduled to capture memories of their growing family.
Similar Expressions: Expanding household / Growing circle
28. Waiting for the stork
Definition: A whimsical expression describing the anticipation of a baby’s delivery.
Used in a Sentence: Classic greeting cards often featured pictures of birds waiting for the stork. / Children asked their parents when the stork was scheduled to arrive with their sibling.
Similar Expressions: Awaiting baby / Whimsical wait
29. A bun baking
Definition: Another playful way to describe a developing baby in the womb.
Used in a Sentence: With a cheerful smile, she told her friends she had a little bun baking. / The kitchen chalkboard displayed a countdown message about the bun baking.
Similar Expressions: Developing baby / Child growing
30. Expecting the pitter-patter of tiny feet
Definition: A charming traditional idiom for looking forward to a toddler running around the house.
Used in a Sentence: The grandparents smiled, saying they could hardly wait for the pitter-patter of tiny feet. / Hardwood floors were installed with excitement, anticipating the pitter-patter of tiny feet.
Similar Expressions: Awaiting toddlers / Expecting children
31. Eating pickles and ice cream
Definition: A classic stereotype describing unusual pregnancy food cravings.
Used in a Sentence: TV shows always show pregnant characters eating pickles and ice cream late at night. / She laughed when her husband offered her a snack of pickles and ice cream.
Similar Expressions: Pregnancy cravings / Odd food mix
32. Morning sickness
Definition: Nausea experienced by women during the early stages of pregnancy.
Used in a Sentence: She sipped ginger tea in the kitchen to help soothe her morning sickness. / Even though it is called morning sickness, it can actually happen at any time of day.
Similar Expressions: Pregnancy nausea / Early discomfort
33. Nesting instinct
Definition: A strong urge to clean, organize, and prepare the home before a baby is born.
Used in a Sentence: Scrubbing the kitchen floors at midnight was her way of showing the nesting instinct. / Dad helped assemble bookshelves as part of their shared nesting instinct.
Similar Expressions: Preparation urge / Cleaning drive
34. Expecting twins
Definition: Waiting for the simultaneous birth of two babies.
Used in a Sentence: The doctor’s ultrasound revealed that they were expecting twins this winter. / Double the cribs and double the strollers were needed because they were expecting twins.
Similar Expressions: Two babies / Twin pregnancy
35. Bringing home the bundle
Definition: The joyful journey of returning from the maternity ward with your infant.
Used in a Sentence: Relatives waited on the front porch with a banner for bringing home the bundle. / Tears of joy filled their eyes while bringing home the bundle.
Similar Expressions: Returning with baby / Newborn trip
36. Starting a family
Definition: The life milestone of having your first child.
Used in a Sentence: Buying their first suburban home meant they were officially starting a family. / Newlyweds often celebrate weddings before planning on starting a family.
Similar Expressions: Having children / Expanding life
37. Expectant parents
Definition: A couple who is preparing for the birth of their child.
Used in a Sentence: The hospital offered weekend classes to help prepare expectant parents. / Proud smiles filled the faces of the expectant parents during the clinic tour.
Similar Expressions: Future mom and dad / Preparing couple
38. Baby on board
Definition: A phrase often displayed on car windows to warn drivers to be careful.
Used in a Sentence: They placed a bright yellow sign in the rear car window reading baby on board. / Driving carefully became their top habit once they had a baby on board.
Similar Expressions: Infant traveler / Careful driving sign
39. Maternity leave
Definition: Time off from work granted to a mother before and after childbirth.
Used in a Sentence: She wrapped up her office projects before starting her paid maternity leave. / Spending quiet bonding time at home marked her maternity leave weeks.
Similar Expressions: Time off / Parental leave
40. Paternity leave
Definition: Time off from work granted to a father to help care for a newborn.
Used in a Sentence: Dad took two weeks of paternity leave to help out around the house. / Newborn diaper changes were shared equally during his paternity leave.
Similar Expressions: Father’s time off / Dad’s leave
41. Growing round
Definition: The physical change in body shape during pregnancy.
Used in a Sentence: She chose comfortable, stretchy sweaters as she kept growing rounder each month. / Friends noticed she was growing rounder and brought congratulatory gifts.
Similar Expressions: Expanding shape / Physical change
42. Expecting a surprise
Definition: Waiting for a baby whose gender will not be revealed until birth.
Used in a Sentence: They painted the nursery mint green because they were expecting a surprise. / Opening the delivery room gift of knowing the gender meant they were no longer expecting a surprise.
Similar Expressions: Gender secret / Unknown baby gender
43. A bun in the family oven
Definition: An expanded family phrase for a new baby arriving soon among relatives.
Used in a Sentence: The holiday dinner conversation centered around the new bun in the family oven. / Everyone cheered when the official announcement of the bun in the family oven was made.
Similar Expressions: Family baby / Relative expecting
44. Eating for a football team
Definition: A humorous exaggeration of how much food a pregnant woman feels like eating.
Used in a Sentence: After sports practice, my pregnant sister joked she was eating for a football team. / The grocery cart was filled with snacks because she claimed she was eating for a football team.
Similar Expressions: Huge appetite / Massive portions
45. Expecting a miracle
Definition: A deeply emotional way to view the wonder of bringing a child into the world.
Used in a Sentence: After years of hoping, they felt blessed to be expecting a miracle. / The quiet moments of the ultrasound showed they were truly expecting a miracle.
Similar Expressions: Precious gift / Wonderful blessing
46. Baby bump watch
Definition: Eagerly watching and waiting for physical signs of pregnancy to appear.
Used in a Sentence: Coworkers started a friendly baby bump watch in the office breakroom. / Friends checked her social media daily during their official baby bump watch.
Similar Expressions: Eager observation / Watching belly growth
47. Bringing life into the world
Definition: The profound biological and emotional experience of giving birth.
Used in a Sentence: Doctors and nurses assisted the mother in bringing life into the world. / Miraculous moments happen every day when bringing life into the world.
Similar Expressions: Giving birth / Creating life
48. Counting down the weeks
Definition: Tracking the remaining calendar time until a baby’s birth.
Used in a Sentence: Mom checked her pregnancy app daily, happily counting down the weeks. / The calendar on the fridge helped us keep track while counting down the weeks.
Similar Expressions: Tracking time / Waiting period
49. Nursery preparation
Definition: The hands-on work of decorating and cleaning a baby’s future bedroom.
Used in a Sentence: Weekends were filled with crib assembly and nursery preparation tasks. / Family members pitched in to help with painting and nursery preparation.
Similar Expressions: Room setup / Baby room decorating
50. Ultimate new arrival
Definition: The absolute pinnacle milestone of welcoming a newborn baby home.
Used in a Sentence: Balloons and banners filled the living room to celebrate the ultimate new arrival. / Sleeping soundly in her bassinet, the ultimate new arrival charmed everyone.
Similar Expressions: Peak newborn event / Ultimate infant welcome
Exercise to Practice
- My aunt and uncle are so excited because they are expecting a bundle of joy this fall.
- Grandma smiled when she heard her neighbor was building a spaceship in the yard.
- Mom joked that she had a good excuse to finish the extra pie because she was eating for two.
- She was heavy with child and resting comfortably on the living room sofa.
- Our family announced the exciting news that there was another bun in the oven.
- Mom marked her calendar carefully because her official due date was in July.
- She wore a cute striped dress that proudly showed her growing baby bump.
- The neighborhood baby shower was thrown to celebrate friends who were riding a bicycle.
- Aunt Sarah walked very slowly at the family picnic because she was ready to pop.
- Everyone at the family gathering told her she was glowing with motherhood.
- They spent the weekend assembling the crib and getting nested and prepared for the baby.
- Historical novels often describe queens and characters as being great with child.
- She rested often while carrying her first child through the hot summer months.
- Dad spent his weekends painting pastel clouds on the walls while eating a peanut butter sandwich.
- We bought a cute mobile for the crib because a new cousin was on the way.
Answer Key
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- True
Conclusion
Learning these idioms helps you describe pregnancy and expecting a baby in clear and expressive ways. Expanding your vocabulary helps you talk about family growth, newborns, and parenting milestones much more vividly.
Try using your knowledge to describe family announcements in your everyday writing and conversations. You will see how helpful it is to use imaginative language to share how expecting a baby feels.
Frequently Asked Questions
What are some common idioms for pregnancy?
Common idioms include phrases like expecting a bundle of joy, bun in the oven, and ready to pop. These expressions give a clear picture of expecting a baby and family growth.
Why do we use idioms in English?
Idioms make our language more expressive when discussing major life milestones like having a baby. Instead of plain descriptions, they help convey the exact excitement of parenthood using figurative language.
How can I practice using idioms easily?
You can practice by reading family memoirs and parenting stories, noting how authors portray welcoming newborns. Writing your own sentences also helps you learn their meanings.
Are idioms difficult for beginners to learn?
Not at all, especially when you learn them through relatable topics like nurseries, due dates, and family additions. Context and example sentences make it easy to understand what they mean right away.
Can I use these idioms in school writing?
Yes, using idioms can make your personal essays and family stories much more engaging. Just make sure you use them correctly so your meaning is clear to your reader.



