best unexpected pregnancy romance novels

Lucille gave birth to quintuplets, but one of the children was taken away. Her four children secretly searched for their father, only to discover that their father was the billionaire tycoon Hendrix. They came up with a plan for little sister Leona to stop Hendrix's car and give him a hair for paternity testing...

Nova was separated from her mother as a child and has been searching for years. Now a wealthy tycoon, she returns home, where her bullied mother suffers. Will her arrival transform her mother’s fate?

Neglected by her biological father and persecuted by her stepmother, Melody Stein finds herself in dire straits. Out of desperation, she forces Riveria's influential figure, Ryan Hunt, into marriage. On their wedding day, Ryan discovers her premarital indiscretion, condemning her for perceived moral decay. After carrying her child for ten months, Melody gives birth, signs the divorce papers, and disappears without a trace.Years later, Melody returns to Riveria, accompanied by her child. "Mr. Hunt, I heard you're in need of a personal doctor?" Ryan willingly takes the bait. "You're hired."Rumors swirl around town—Mr. Hunt has no wife and shows no interest in having a lover, yet he lavishes affection upon his personal doctor like a loyal puppy. He even treats her child of unknown paternity as his own.

Misunderstanding his father, Topher, to dislike his mother, Rain, six-year-old adorable child Hulk yearned to reunite with his biological mother. Upon finding Rain, he endeavored to forge a strong connection between his parents, aiming to mend their relationship. However, fearing renewed discord if their true identities were revealed, he covertly assisted in concealing their pasts, playing a role in uniting them and bringing their family back together.

Rihanna injures Gael, CEO of Doyle Group, and mistakenly believes she has caused him to lose his ability to have children. Out of responsibility, she chooses to marry him. But Gael has secretly loved her for many years. He decides to conceal his "medical condition," seizing the opportunity to be close to her, and begins a sweet love story with Rihanna where marriage comes before love.

Wyomia Quinn, the eldest daughter of the Quinn family, accidentally had a one-night stand with Julian Yates, the CEO of the Yates Group. Later, she was pregnant but had an accident that made her lose her memory. She spent six years abroad before coming back. Upon returning, Wyomia wanted her mother Maeva Sanum's ashes placed in the Quinn family's grave, but her father and stepmother demanded she secure a billion-dollar contract from the Yates family first. After reuniting with Julian, the two were riddled with misunderstandings. With the help of their adorable daughter, Sheila Yates, they gradually found their way back to each other.

Nora gave everything she had to save her husband Elijah, and their son Ryan, both of whom pretended to be suffering from liver cirrhosis. She worked herself to the brink, only to discover during a part-time job that it was all a lie.The illness was fake, and Elijah was no poor, ordinary man. He turned out to be a powerful billionaire. It had all been a twisted game between father and son, with her love as the prize. Shattered by betrayal and humiliation, Nora walked away, determined to take back control of her life. But by the time Elijah and Ryan realize what they've lost, it may already be too late.

Abbie Lanes married Noah Gray three years ago. In the first year, he took one of her kidneys; in the second, he made her leave with nothing; and in the third, he sent her to prison. Four years later, she's finally released, hoping to start anew far away from Noah. However, fate has other plans, as she crosses paths with him once again while working.

As children, Gigi Murray and Milo Sanford made a pinky promise to marry each other. Eighteen years later, Milo has become mentally impaired, but Gigi remains devoted and marries him. After a fateful accident, Milo regains his memory, only to discover that the person who killed his parents is none other than Gigi's adoptive father. Consumed by rage, Milo turns against Gigi. Amidst the turmoil, Gigi's true identity is revealed, uncovering a web of secrets and betrayal.

She was bullied after marrying into a rich family. However, her life took a huge change after the divorce. She inherited billions from her family and had a glamorous transformation. 

I trust you because I've known you for ten years longer than they have.

Stacy Barn’s six years of devotion to Roger Nord fall short in the face of a single lie from his first love. She throws the divorce papers in his face and turns against Norden Corp. She brings the cunning first-love to her knees, humiliates her ex-husband, and transforms into a powerful businesswoman, with both her career and love life flourishing. When Roger eventually discovers that the young woman he once corresponded with was actually his ex-wife, he embarks on a long and arduous journey to win her back...

Modern-day doctor Luna Winslow accidentally travels back to ancient times and becomes the unfavored consort of Lord Henry Reign. Little did she know, there was a deep-seated grudge between her and Lord Henry from their past lives. Upon her arrival, she encounters severely wounded patients and narrowly avoids being wrongfully imprisoned. As their paths continuously cross and clash, their relationship gradually transitions from estrangement to closeness, ultimately coming together in true love.

Reanna, a top SAT scorer, was framed for cheating by Lori and her brother Frank. Her reputation was destroyed, and she died with no chance to defend herself. After being reborn, Reanna starts digging for the truth and uncovers their secret scheme. In the next exam, she hands in a blank paper to prove her innocence. To everyone's shock, her teacher reveals she's already secured a spot at a top university. At the school ceremony,the truth finally comes out. Lori's wealthy father tries to silence the scandal, but Reanna refuses to back down. In the end, she reclaims both justice and her true identity.

Amy thinks she is going to marry the love of her life, billionaire and her childhood sweetheart Skylor, but it turns out he only wants to wed her in order to torture her. Soon, Amy fakes her own death to escape from the marriage and returns as Ivy to revenge.

Zelda Lang never expects to find herself in a whirlwind marriage with Theo Wolfe, the powerful CEO of the Wolfe Corp. Bound by a promise to her late mentor, she secretly sneaks into Theo’s room every night to treat his mysterious illness. Despite her efforts, Theo keeps his distance, wary of her motives. Little does he know, the woman he's pushing away is the very miracle doctor he's been searching for all along…

Six years ago, Winni and Chester were a loving couple, until Chester's old friend Ruth returned to the country. Ruth disguised herself with a kind face and became friends with Winni, secretly plotting to replace Winni as Chester's wife. Not long after, Winni became pregnant, but the doctor informed Chester that the child had no blood relationship to him. Chester iced out Winni and gradually grew closer to Ruth. Six years later, Winni's son, Ron, was critically ill with leukemia. Only Chester's bone marrow could save him. In order to please Chester, Winni had to bow down to Ruth. However, during their interaction, she gradually uncovered why Chester thought Ron was an illegitimate child.

Nicole Sugg only discovers the truth as she's dying—her husband Arthur Jones is still alive. He's been impersonating his dead twin brother Kevin,living as husband to his sister-in-law! Given a second chance at life, Nicole is determined to get ruthless revenge...