THIS ANSWER IS FOR SIMS 2 PC (it may not work for other editions)
the sim has to have an accessable bed for this action, make sure nothing is blocking it in any way ( except for a bed side table). click on the bed and select RELAX. your sim has to be a child or older, toddlers andd babies cannot relax! hope this helped! xx
2. Make sure your Sims' relationship status is high enough for them to perform the Try for Baby interaction.
3. Make sure their star signs are compatible:http://www.carls-sims-3-guide.com/latenight/zodiaccompatibility.php
4. After doing steps 1-3, tell both Sims to relax on the bed (if they keep getting up before they are both relaxing, temporarily disable Sim autonomy in you options panel).
5. Tell them to Try for Baby.
You may experience problems if the two Sims are of the same gender, one or both of them are teens, the female is an elder, you already have 8 Sims in your household, or their signs are incompatible.
It's very simple,
first off, sometimes sims don't relax for very long, so move both of your sims into the room with the bed.
Make your first sim relax, swich sims and make it relax on the other side of the bed... and obviously, make them do the dirty ;)
Not sure if you mean give birth or conceive a baby.
To conceive a baby: direct a male and female Sim to relax on the bed. From there select one Sim and then click on their partner (who should be relaxing). Various options will appear including one that says 'Try For Baby'. Select this and wait. If you hear chimes following their Woohoo, congrats! You Sim is now pregnant. Otherwise have them keep trying for baby (buying the Fertility Treatment Lifetime Reward will increase your chances of conception).
To give birth: as far as I know this is impossible unless there is a mod or pose pack out there that would allow it. Babies can only be born at the hospital or at home, standing up.
click on the bed and press the relax option, then do the same with your other sim
Make sure there is nothing blocking the bed so that they have access. Simply click on the bed and select the "relax" option.
click on bed and press relax
Get both sims to relax on a bed and select 'woohoo'.
Have them relax on the bed and click on try for baby.
Make sure you have a double bed... then make both sims "relax" on the bed then Click "Try for baby"
It depends how long you leave your Sim alone on the bed. Because Sims are known to act like real humans, when they are left alone on the bed they tend to relax and read a book. There is no actual number or prediction to how long Sims relax, it just matters how you control it. I hope this helped :)
If your Two sims are in Romance level (You know this if your sims can Make out) get both of your sims to relax in Bed by clicking on the bed and press Relax. Make sure both of your sims to do it. Then click on the sims you want to Woo Hoo with and press Woo Hoo or Try to have a Baby
in the sims 1 for the PS2 you can have a baby, have two sims make out few times or have them both relax in a bed and select "play in bed" if you have the sims 2 for the PS2 then you can't have kids.
If your partner lives in the house with you, simply select each sim and choose the relax button on the bed. If they do not live with you, select your sim and choose relax then click the other sim and select invite relax on bed.
you need to have two sims that are in love, then have them both relax in a double bed, and then select "woohoo"
You have 2 sims relax on a bed adn have them try for baby
Make sure both sims are in love, then get them to relax on a bed. Click on the Sim you aren't controlling, and select WooHoo.
all you have to do is if you live with them make one relax on the bed then switch person and get them to join them if they dont live together get them to marry and they will move in together