Ivanka Trump
Ivanka Trump, daughter of U.S. President Donald Trump, at a Gala Dinner at Deutsche Bank within the framework of the W20 summit on April 25, 2017 in Berlin, Germany. Getty Images

First daughter of the United States Ivanka Trump urged women to consider their “biological clocks” when planning their careers and personal life. Trump, the daughter of President Donald Trump, urged women to pick their children over their professions in her new book, “Woman Who Work: Rewriting the Rules for Success.”

“It can take up to a year for a healthy woman to conceive naturally,” the 35-year-old writes in the book, according to People Magazine.

Trump is the mother to three children: 5-year-old Arabella, 3-year-old Joseph and 13-month-old Theodore. The working mom shares her kids with husband Jared Kushner.

The oldest Trump daughter was 30 when she had her first child.

When it comes to celebrities, there are plenty of women who welcomed babies in their 40s. Gwen Stefani had a child at 44, Gina Davis had twins at 48, Susan Sarandon had a son at 45 and, most recently, Janet Jackson welcomed a baby boy when she was 50.

Generally, most women are advised not to get pregnant after 50 because they face increased health risks and the baby could have Down syndrome or other chromosomal abnormalities, Parenting.com noted. Further, an older mother will likely have less time to spend with her child.

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The blonde businesswoman said that if women “choose career over baby” they should “be sure to consider [their] biological clock.”

Trump, who manages a career and motherhood, cautioned that being a working mother is not easy and noted that people will likely place judgement. “Some people will judge you and think you are less productive than they are because you have to race to get to your daughter’s dance recital by six or for a parent-teacher conference midday,” she writes.

On the other hand, Trump noted the drawbacks of being a mother who put her career on hold for her family. “If you choose to have a child or children early in your career, and later you decide to return to a traditional corporate setting, be prepared for the fact that you will be older than your peers at the same level,” she says.

Trump, who is an assistant to the president, said that she would not go on a book tour since she became part of the presidential administration. “In light of government ethics rules, I want to be clear that this book is a personal project. I wrote it at a different time in my life, from the perspective of an executive and an entrepreneur, and the manuscript was completed before the election last November,” she said last month. The proceeds of the book are slated to be donated to charity.

“Out of an abundance of caution and to avoid the appearance of using my official role to promote the book, I will not publicize the book through a promotional tour or media appearances,” she said.

She announced her new initiative on Instagram Monday. She partnered with the National Urban League to create the Entrepreneurship Program.

She wrote:

“I have had the privilege of meeting many incredible female entrepreneurs who are changing their lives—and their communities—with the training they’ve received through @NatUrbanLeague. I couldn’t be happier to help launch a new national initiative for women through the organization’s Entrepreneurship Center Program with proceeds from my #WomenWhoWorkBook that will support a grant I’ve recommended to National Urban League from my donor advised fund. Visit WomenWhoWork.com for details. @CutiesonDutyLLC @CeleebrateUs @MarcMorial”

She wrote a shorter note on Twitter: “I'm honored to support entrepreneurs w @NatUrbanLeague via a grant from my DAF + proceeds from my #WomenWhoWorkBook: http://womenwhowork.com”

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