"I wanted to keep this private," Loeb wrote in the op-ed titled "Our Frozen Embryos Have a Right to Live." In the court documents filed in August, Loeb and Vergara were listed as "Jane Doe" and "John Doe," and the suit was filed anonymously. "Recently the story broke to the world. It has gotten attention not only because of the people involved... but also because embryonic custody disputes raise important questions about life, religion and parenthood."
Nick Loeb pens op-ed about Sofia Vergara frozen embryo battle
HOLLYWOOD, CA - NOVEMBER 4: Sofia Vergara attends Walk of Fame Star Ceremony Honoring Cristina Saralegui on November 4, 1999 at Hollywood Boulevard in Hollywood, California. (Photo by Ron Galella, Ltd./WireImage)
LOS ANGELES, CA - FEBRUARY 6: Sofia Vergara attends 14th Annual American Comedy Awards on February 6, 2000 at the Shrine Auditorium in Los Angeles, California. (Photo by Ron Galella, Ltd./WireImage)
Sofia Vergara (R) attends the first 'Lo Nuestro' awards hosted by Univision Spanish-language television on February 7, 2002 in Miami, FL. (Photo by Adrian Del Angel/Getty Images)
Sofia Vergara (Photo by Albert L. Ortega/WireImage)
Sofia Vergara (Photo by Jean-Paul Aussenard/WireImage)
Sofia Vergara (Photo by M. Caulfield/WireImage)
Model Sofia Vergara poses outside The Lounge club May 2, 2002 in West Hollywood, CA. (Photo by David Klein/Getty Images)
Sofia Vergara (Photo by Jeff Kravitz/FilmMagic)
Sofia Vergara (Photo by Dimitrios Kambouris/WireImage)
Sofia Vergara (Photo by Rodrigo Varela/WireImage)
Sofia Vergara during World Premiere Of MGM's 'BulletProof Monk' at Grauman's Chinese Theatre in Hollywood, California, United States. (Photo by Gregg DeGuire/WireImage)
MIAMI - SEPTEMBER 23: Sofia Vergara attends the 1st Annual Premios Juventad Awards at the James L. Knight Center September 23, 2004 in Miami, Florida. (Photo by Alberto Tamargo/Getty Images)
Sofia Vergara and Juanes at the James L. Knight Center in Miami, Florida (Photo by Rodrigo Varela/WireImage)
Sofia Vergara (Photo by Steve Granitz Archive 1/WireImage)
Sofia Vergara during 2005 Venice Film Festival - 'Four Brothers' Photocall at Casino Palace in Venice, Italy. (Photo by Goffredo di Crollalanza/FilmMagic)
MIAMI - DECEMBER 28: Actress Sofia Vergara shops on Lincoln Road on December 28, 2005 in Miami, Florida. (Photo by Gustavo Caballero/Getty Images)
Sofia Vergara during 2006 NCLR ALMA Awards - Arrivals at Shrine Auditorium in Los Angeles, California, United States. (Photo by Jon Kopaloff/FilmMagic)
COZUMEL, MEXICO - JULY 09: Sofia Vergara (R) and her son Manolo Gonzalez bring her birthday celebration to Cozumel, Mexico on July 9, 2012 in Cozumel, Mexico. (Photo by Jesse Grant/WireImage)
PLAYA DEL CARMEN, MEXICO - JULY 10: (EXCLUSIVE COVERAGE)(NO TABLOIDS) Sofia Vergara and her son Manolo Gonzalez celebrate her 40th birthday at the Rosewood Mayacoba on July 10, 2012 in Playa del Carmen, Mexico. (Photo by Jesse Grant/WireImage)
BEVERLY HILLS, CA - JANUARY 12: Actress Sofia Vergara (R) and Nick Loeb attend HBO's Official Golden Globe Awards After Party at The Beverly Hilton Hotel on January 12, 2014 in Beverly Hills, California. (Photo by Jeff Kravitz/FilmMagic)
BEVERLY HILLS, CA - JANUARY 12: Actress Sofia Vergara and son Manolo Gonzalez-Ripoll Vergara arrive at the 2014 InStyle And Warner Bros. 71st Annual Golden Globe Awards post-party at The Beverly Hilton Hotel on January 12, 2014 in Beverly Hills, California. (Photo by Gregg DeGuire/WireImage)
LOS ANGELES, CA - NOVEMBER 12: (L-R) Actor Joe Manganiello, actress Sofia Vergara and TV host Alex Trebek attend the celebratory dinner after the special tribute to Sophia Loren during the AFI FEST 2014 presented by Audi at Dolby Theatre on November 12, 2014 in Hollywood, California. on November 12, 2014 in Los Angeles, California. (Photo by Michael Kovac/Getty Images for AFI)
LAS VEGAS, NV - DECEMBER 31: Sofia Vergara and Joe Mangeniello attend New Years Eve dinner at Strip House at Planet Hollywood Resort & Casino on December 31, 2014 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
LAS VEGAS, NV - DECEMBER 31: Arnold Schwarzenegger, Heather Milligan, Joe Mangeniello and Sofia Vergara attend New Years Eve dinner at Strip House at Planet Hollywood Resort & Casino on December 31, 2014 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
MIAMI, FL - FEBRUARY 26: Sofia Vergara is on the set of Despierta America at Univision Studios on February 26, 2015 in Miami, Florida. (Photo by Gustavo Caballero/Getty Images)
LOS ANGELES, CA - JANUARY 25: Actors Joe Manganiello (L) and Sofia Vergara attend the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California. (Photo by Ethan Miller/Getty Images)
LOS ANGELES, CA - AUGUST 25: Actress Sofia Vergara arrives at FOX, 20th Century FOX Television, FX Networks And National Geographic Channel's 2014 Emmy Award Nominee Celebration at Vibiana on August 25, 2014 in Los Angeles, California. (Photo by Valerie Macon/Getty Images)
LOS ANGELES, CA - AUGUST 25: Actress Sofia Vergara attends the 66th Annual Primetime Emmy Awards held at Nokia Theatre L.A. Live on August 25, 2014 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
WASHINGTON, DC - MAY 03: Actress Sofia Vergara attends the 100th Annual White House Correspondents' Association Dinner at the Washington Hilton on May 3, 2014 in Washington, DC. (Photo by Dimitrios Kambouris/Getty Images)
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Loeb and Vergara began dating in 2010 and got engaged in July 2012, before calling it off in May 2014. During their time together, Loeb and Vergara decided to conceive a child through the use of surrogate. After two failed attempts to bring fertilized embryos to term, two additional embryos were created using Vergara's eggs and Loeb's sperm.
"When we create embryos for the purpose of life, should we not define them as life, rather than as property?" Loeb argued in the editorial. "Does one person's desire to avoid biological parenthood (free of any legal obligations) outweigh another's religious beliefs in the sanctity of life and desire to be a parent?"
According to Loeb, he's asked his ex-fiancee for permission to bring the embryos to term and allegedly offered to cover all legal and parental responsibilities.
"I asked her to let me have the embryos, offering to pay for all expenses to carry our girls to term and raise them. If she did not wish to share custody, I would take on full parenting responsibilities and agree to have her declared an egg donor. She has refused," Loeb wrote.
While Loeb claimed in the initial lawsuit that Vergara wished to have the embryos destroyed, the Modern Family star's attorney, Fred Silberberg, said those claims are false.
"Vergara has never suggested that she wished to have the embryos destroyed," Silberberg told ET last week. "She has always maintained that they be kept frozen, a fact of which Loeb and his counsel have always been aware, despite Loeb's statements to the contrary."
In his new op-ed, Loeb addressed Silberberg's refutation, writing, "Her lawyer... has told reporters that she wants to keep the embryos 'frozen indefinitely.' In my view, keeping them frozen forever is tantamount to killing them."
Loeb also revealed his motivation for pursuing the lawsuit, despite some public criticism: He has always dreamed of being a parent.
"Many have asked me: Why not just move on and have a family of your own? I have every intention of doing so. But that doesn't mean I should let the two lives I have already created be destroyed or sit in a freezer until the end of time," he wrote, revealing that he grew up with his father while his mother "virtually disappeared" from his life.
Loeb went on to explain that, his father was often away on business, so he was raised by his nanny Renee, who was Irish Catholic and greatly influenced his religious opinions in regards to when life begins. He also revealed that one of his former girlfriends he dated in his 20s had an abortion.
"Ever since, I have dreamed about a boy at the age he would be now," Loeb said
According to legal analyst Robin Sax, who spoke with ET when news of Loeb's lawsuit broke earlier this month, "The court is likely to say no one can be forced to procreate if they didn't want to... If they can't come up with a unified decision, it is likely that that embryo will be destroyed."
"I take the responsibility and obligation of being a parent very seriously. This is not just about saving lives; it is also about being pro-parent," Loeb concluded.
While Vergara's legal counsel has not yet responded to Loeb's article, Silberberg previously explained to ET, "Vergara, who has happily moved on with her life, is content to leave the embryos frozen indefinitely as she has no desire to have children with her ex, which should be understandable given the circumstances."
Speaking with ET on the red carpet at the SAG Awards in January, Vergara – who has a 22-year-old son Manolo from her first marriage ended in 1993 – opened up about the possibility of having children with Joe Manganiello.
"He's younger than me and he's never had kids, so of course if we can do it, why not?" Sofia told ET's Brooke Anderson. "It needs a lot of planning, but we have to leave it to God to see if it happens."