I had a cesarean with my son after 26 hours of labor with regression in my dilation. I had zero problems nursing, but my scheduled RCS has me anxious my body won't be ready to produce milk since it won't experience going into labor. My question is should I consider trying to pump in advance to help get things going or just wait and see how things go? If you suggest pumping, when should I start and how soon? I'm kind of thinking the most I'd want to do is the day beforehand, is that even worth it? I nursed my son for 19 months and really want to do that for this baby as well.

BFP #1 - 12/12/11 - Missed M/C 1/9/12
BFP #2 - 4/5/2012 - Son Born 12/12/12
BFP #3 - 2/2/2014 - EDD 10/16/2014
Re: RCS set at 39w4d - milk supply question
and RCS at 39 weeks (prob 38)
My RCS the milk actually came in faster and he was spitting up colustrum in the hospital.
I wouldn't worry but with GD they can have low bs and some people hand express or pump a few days before
Married 8/27/2011
BFP #1 9/28/2011 DS born 5/22/2012
BFP #2 4/24/2013 m/c 4/25/2013 at 4w
BFP #3 1/31/2014 DD born 10/14/2014
BFP #4 1/20/2016 m/c 2/12/2014 at 7w2d
BFP #5 8/19/2016 DS2 born 4/29/2017
BFP #6 3/7/2018 EDD 11/18/2018
It will take your body 2-6 days to begin producing mature milk regardless of the method of birth. Colostrum is all baby needs at first, and your milk should mature as your baby's unique needs grow.
Some mothers do find that after a cesarean, especially if it was a stressful or difficult birth, it takes a day or two longer for their milk to mature (so 3-7 days instead of 2-6). But frequent skin-to-skin and very frequent nursing help a lot. Avoiding supplementing is helpful too...just keeping baby close to the breast as much as you can.
If you try to arrange in advance for as immediate skin-to-skin contact as possible (some doctors will allow mothers to do skin-to-skin high on their chest with a blanket covering mom and baby even while the cesarean is being completed), and ask to initiate breastfeeding as early as possible (within the first hour after birth is preferred), you'll be setting yourself up for success. Sometimes if baby is rooting and ready to try breastfeeding, moms can even nurse in the OR while lying on their backs and with baby across their chest, with help from a nurse.
Even if you're not able to arrange for immediate skin-to-skin and breastfeeding, it is helpful to request that you be allowed to initiate breastfeeding within the first few hours after baby is born, and to plan to spend as much of your hospital stay as possible skin-to-skin with baby. Your body will regulate baby's temperature when you do skin-to-skin: just ask that a blanket be placed over the two of you.
You might ask that DH be able to do skin-to-skin while you cannot, and ask that no supplements be given to baby while he/she waits for you to be ready to breastfeed. Baby is born with a lovely layer of extra fat (that's that percentage that they often lose during their hospital stay) that acts as a security blanket for the time it might take for baby to learn how to nurse.
If you can request a visit from the LC at your hospital early after the birth too, that can help in case nursing this LO presents any unique challenges.
It really will all be ok.
ETA: if some of this makes no sense, forgive me. It's somewhere between 2 and 3 am and I am so so so sleepy, but this terrible heartburn isn't letting me sleep! I'll come proofread/edit my post in the morning to make it look like it wasn't written by an intoxicated monkey. :P
Like Emerald said, it's not labor that causes the hormone release to signal your milk to come in, it's the separation, so no matter what form of delivery you have, it shouldn't matter.
Me- 36 DH- 40 ***TTC since 1/13
BFP #1 - 4/3/13 *** EDD 12/13/13 ***M/C 4/12/13 @5wks 1 day
BFP#2 - 1/29/14 ***EDD 10/11/14
It's a GIRL!!!