Foetus yawning, 4D ultrasound..

Foetus moving in womb, 4D ultrasound..

Close up on Foetus face, 4D ultrasound..

Foetus rubbing head with left hand, 4D ultrasound..

Foetus in the womb, 4D ultrasound scan..

Twin foetuses at ten weeks old, 4D ultrasound scan..

Foetus with its arms in front of its face, 4D ultrasound scan..

Triplet foetuses in womb, 4D ultrasound scan..

Foetus moving arms, 4D ultrasound..

29-week-old foetus yawning, 4D ultrasound scan..

Young foetus moving in the womb, 4D ultrasound scan..

Foetus in the womb, 4D ultrasound scan..

Foetus opening mouth very wide, 4D ultrasound scan..

Close up on Foetus face, 4D ultrasound..

Close up on Foetus sucking thumb, 4D ultrasound scan..

INTERVIEW Nacho Figueras talks about the timeless elegance of Ralph Lauren and what makes this evening special at Ralph Lauren's Polo '4D' Spring 2015 Fashion Event in Central Park on September 08, 2014 in New York City.

Foetus moving arms, 4D ultrasound..

Twin foetuses moving in the womb, 4D ultrasound scan..

Foetus kicking and moving in womb, 4D ultrasound..

Foetus head up close, 4D ultrasound scan..

Ciara at Ralph Lauren's Polo '4D' Spring 2015 Fashion Event in Central Park on September 08, 2014 in New York City.

INTERVIEW - Fern Mallis on how Ralph is always on the cutting edge and how spectacular the evening is going to be at Ralph Lauren's Polo '4D' Spring 2015 Fashion Event in Central Park on September 08, 2014 in New York City.

INTERVIEW - David Lauren discuss what the event is celebrating and what Polo did to make the night technology forward at Ralph Lauren's Polo '4D' Spring 2015 Fashion Event in Central Park on September 08, 2014 in New York City.

INTERVIEW Erin Heatherton talks about what makes the night so special at Ralph Lauren's Polo '4D' Spring 2015 Fashion Event in Central Park on September 08, 2014 in New York City.